Gfs reagents solutions-brochure

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GFS Chemicals Reagents

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Gfs reagents solutions-brochure

  1. 1. Specialty Chemical Manufacturing Expertise Since 1928GFS ChemicalsAnalytical Reagents& Solutions2006-2007 PRODUCT CATALOG
  2. 2. pH Reference Buffers and Primary Standards ANALYTICAL REAGENTS&SOLUTIONSpH Reference Buffers used with confidence for all ucts but also new unit sizes,GFS Chemicals’ pH Buffers are applications because stan- including bulk containers, andmanufactured from the finest dardization is performed case pricing. Certificates ofhigh-purity water and reagent using the most trusted instru- Analysis are provided withgrade chemicals. They are ments in the business – Orion, every shipment and includestandardized at 25°C against Beckman-Coulter, and Hanna, NIST Traceability.NIST reference materials to a to name a few. For simplicity,tolerance of 0.01 on Buffers all common buffers are the Primary Standards4.00, 7.00, and 10.00 and to a same price regardless of pH Even with the automation oftolerance of 0.02 on all other or if color coded. This catalog so many lab methods, itbuffer ranges. Our buffers are features not only new prod- remains essential to verify analytical standard solutions. For over 75 years, GFS Chemicals has provided pri- mary standards to support analytical chemists worldwide with traceability as well as the confidence that their results are accurate. GFS continues to support chemists performing such titrations as acid-base, redox, complexometric, and many others. Following is a list of many common primary stan- dards manufactured by GFS. Throughout the catalog, many others are listed and we wel- come inquiries for your unique standards.
  3. 3. For acid-base: diphenylguani- involving the formation of dine, constant boiling perchlo- complex ions. ric acid, potassium acid phthalate, potassium bi- Of several substances which iodate, sulfamic acid, and can be used as standard solu- tris-hydroxymethyl- tions in such analyses, sodi- aminomethane. um ethylenediamine- tetraacetate (EDTA) is one ofANALYTICAL REAGENTS&SOLUTIONS For redox titrimetry the fol- the most satisfactory in that it lowing are listed as primary forms highly stable complex standards: ceric ammonium ions with calcium, magnesium nitrate, ferrous ethylenedi- and numerous other metals. A ammonium sulfate, electrolyt- solution of disodium dihydro- ic iron, potassium bi-iodate, gen ethylenediaminetetra- potassium dichromate, and Find these items by name in acetate (pH 5.5) is usually sodium oxalate. the alphabetical listing in this used as the standard solution. catalog. For more information, For complexation titrimetry request GFS Chemicals publi- The most common of such (EDTA): calcium carbonate, cation No. 497, Standard titrations is the determination disodium dihydrogen ethyl- Substances and Solutions (see of calcium and magnesium, as enediaminetetraacetate dihy- page facing inside back cover). in analysis of waters for hard- drate, and magnesium iodate ness, or of limestone. The tetrahydrate. Complexometric end-point may be detected in Titration Reagents various ways, the most com- Other specially prepared pri- A spectacular advance in ana- mon utilizing the dyestuff mary standards include sodi- lytical chemistry was the Eriochrome Black T. This um chloride for argentimetric introduction of ethylenedi- dyestuff has the unique prop- titrations; and cobalt sulfate aminetetraacetate as a stan- erty of itself forming a com- for volumetric and colorimet- dard solution in titrations plex ion with magnesium. On ric analyses. titration, the EDTA first unites pH Values of Buffers at Various Temperatures 25 o 0o 5o 10 o 20o 30o 40o 50o 60o 70o 80o 90o 1.68 1.67 1.67 1.67 1.67 1.68 1.69 1.71 1.72 1.74 1.77 1.79 4.01 4.00 4.00 4.00 4.00 4.02 4.03 4.06 4.08 4.13 4.16 4.21 6.86 6.98 6.95 6.92 6.87 6.85 6.84 6.83 6.84 6.85 6.86 6.88 7.00 7.11 7.08 7.06 7.01 6.98 6.98 6.97 – – – – 9.18 9.46 9.40 9.33 9.23 9.14 9.07 9.01 8.96 8.92 8.89 8.85 10.01 10.32 10.25 10.18 10.06 9.97 9.89 9.83 – – – –
  4. 4. with the calcium and metals with EDTA.magnesium ions insolution and then Three primary stan-pulls the magnesium dard materials areaway from the available for titrimet-dyestuff-magnesium ric work with EDTA.complex resulting in a Ordinary reagentcolor change from red grade calcium carbon- ANALYTICAL REAGENTS&SOLUTIONSto blue. The titration ate contains sufficientis carried out at a pH magnesium to make itof 10 and yields the unacceptable as a pri-sum of the calcium mary standard but aand the magnesium special, low-magne-present. sium grade is avail- able, Item# 337. AboutAqueous solutions of the only goodEriochrome Black T primary standarddo not keep and magnesiumanother indicator, Calmagite, tion of certain blue dyes, thy- compound is magnesiumwas introduced for the EDTA molphthalein or bromthymol iodate tetrahydrate, describedtitration of calcium plus mag- blue, gives a somewhat more in 1962 by Lindstrom andnesium. The color change of satisfying color change at the Stevens; this material is avail-Calmagite at the end-point is end-point. able as Item# 348. Disodiumalso from red to blue but the Dihydrogen Ethylenediamine-colors are clearer and the The end-point with Calcein tetraacetate Dihydrate, theend-point sharper. Aqueous may be detected also by the reagent used to prepare EDTAsolutions of this indicator are disappearance of the fluores- solutions, is itself a good pri-stable indefinitely. Carried out cence under ultraviolet illumi- mary standard when properlyunder slightly different condi- nation of the calcium salt. prepared, item #365.tions, pH 12, and with the Calcein is prepared by theindicator Calcein, calcium action of formaldehyde andalone may be determined in iminodiacetic acid on fluores-the presence of even large cein. It is typical of a class ofamounts of magnesium. This indicators known at “metalflu-procedure may be applied to orochromic” indicators.the determination of calciumin water and in limestone. Another indicator of this classCalcein modified by the addi- is Calcein Blue (ß-methyl-umbelliferonemeth- ylene- iminodiacetic acid) which is useful in the titration of copper, cobalt and other
  5. 5. ANALYTICAL REAGENTS & SOLUTIONS ITEM # DESCRIPTION PAGE # 2001 ACETATE BUFFER FOR CHLORINE (APHA) pH 4 161 1131 ACETIC ACID, SOLUTION, 1.0 N 163 2008 ACETIC ACID, SOLUTION, 0.5 N 163 2007 ACETIC ACID, SOLUTION, 0.10 N 163 2006 ACETIC ACID SOLUTION, 70% 163 2005 ACETIC ACID SOLUTION, 30% V/V 163 2004 ACETIC ACID SOLUTION, 20% V/V 163ANALYTICAL REAGENTS&SOLUTIONS 2256 ACETIC ACID SOLUTION, 15% V/V 163 2003 ACETIC ACID SOLUTION, 12.5% (1+7) 164 2002 ACETIC ACID SOLUTION, 10% V/V 164 2009 ACID DIGESTION MIXTURE 166 2010 ACID SOLUTION FOR PHOSPHATE (APHA) 166 2285 AMMONIACAL BUFFER, pH 10, FOR EDTA TITRATIONS 176 2405 AMMONIUM ACETATE SOLUTION, 10%, AQUEOUS 177 2016 AMMONIUM BIFLUORIDE SOLUTION, 5%, AQUEOUS 177 2019 AMMONIUM CHLORIDE SOLUTION, 0.1 M 178 2018 AMMONIUM CHLORIDE SOLUTION, 8.5% W/V 178 2017 AMMONIUM CHLORIDE SOLUTION, 5% W/V 179 2020 AMMONIUM CHLORIDE-EDTA REAGENT SOLUTION 179 2021 AMMONIUM CITRATE SOLUTION, 54% (ASTM) 179 2022 AMMONIUM CITRATE-SODIUM BORATE SOLUTION, (ASTM FOR IRON) 179 3553 AMMONIUM HYDROXIDE SOLUTION, 1 N 183 1136 AMMONIUM HYDROXIDE SOLUTION, 10% V/V 183 2023 AMMONIUM HYDROXIDE SOLUTION, 5% V/V 183 1137 AMMONIUM MOLYBDATE SOLUTION, 10%, REAGENT 184 2024 AMMONIUM MOLYBDATE SOLUTION, 4% 184 1142 AMMONIUM MOLYBDATE, REAGENT #1 184 1141 AMMONIUM MOLYBDATE, REAGENT #2 184 2027 AMMONIUM OXALATE SOLUTION, 5% W/V 185 2029 AMMONIUM PHOSPHATE, DIBASIC, 30%, SOLUTION 186 2028 AMMONIUM PHOSPHATE, DIBASIC, 10%, SOLUTION 186 2030 AMMONIUM SULFATE SOLUTION, 1 M 187 2449 AMMONIUM SULFIDE, 20% AQUEOUS SOLUTION 188 1138 AMMONIUM THIOCYANATE SOLUTION, 0.1 N 189 2031 AMMONIUM THIOCYANATE SOLUTION, 10% W/V 189 2032 ANTIMONY POTASSIUM TARTRATE, SOLUTION 192 1860 BARIUM CHLORIDE SOLUTION, 1.0 N 196 1143 BARIUM CHLORIDE SOLUTION, 0.5 M (12%) 196 2034 BARIUM CHLORIDE SOLUTION, 0.1 M 196 2190 BARIUM CHLORIDE SOLUTION, 0.005 M 196 2033 BARIUM CHLORIDE SOLUTION, 10% W/V 196 5000 BARIUM PERCHLORATE, 0.01 N, AQUEOUS SOLUTION 198 2035 BENEDICT’S SOLUTION, QUANTITATIVE 201 1681 BENZOIC ACID, PRIMARY STANDARD 201 2037 BORATE BUFFER SOLUTION, pH 9.5 208 2039 BORIC ACID SOLUTION, 5% W/V 209 2387 BORIC ACID, 4% ABSORBANT 209 2038 BORIC ACID ABSORBANT SOLUTION, 2% 209 2041 BROMCRESOL PURPLE SOLUTION, 0.04% AQUEOUS 211 2340 BUFFER CONCENTRATE, pH 4.00 216 2335 BUFFER CONCENTRATE, pH 7.00 216 2341 BUFFER CONCENTRATE, pH 10.00 216 2549 BUFFER pH 4, 7, 10 KIT 216 2044 BUFFER SOLUTION FOR ZINC, pH 9 216 2325 BUFFER SOLUTION, pH 1.00 217 WE HONOR
  6. 6. ANALYTICAL REAGENTS & SOLUTIONS ITEM # DESCRIPTION PAGE # 1631 BUFFER SOLUTION, pH 1.68 217 1632 BUFFER SOLUTION, pH 2.00 217 1633 BUFFER SOLUTION, pH 3.00 217 680 BUFFER SOLUTION, pH 4.00 217 1634 BUFFER SOLUTION, pH 4.00, (COLOR CODED RED) 217 1635 BUFFER SOLUTION, pH 5.00 217 1636 BUFFER SOLUTION, pH 5.50 217 ANALYTICAL REAGENTS&SOLUTIONS 1637 BUFFER SOLUTION, pH 6.00 218 1638 BUFFER SOLUTION, pH 6.86 218 681 BUFFER SOLUTION, pH 7.00 218 1639 BUFFER SOLUTION, pH 7.00, (COLOR CODED YELLOW) 218 1640 BUFFER SOLUTION, pH 7.00, (COLOR CODED GREEN) 218 1641 BUFFER SOLUTION, pH 7.38 218 1642 BUFFER SOLUTION, pH 8.00 218 1643 BUFFER SOLUTION, pH 9.00 218 1644 BUFFER SOLUTION, pH 9.18 219 682 BUFFER SOLUTION, pH 10.00 219 1645 BUFFER SOLUTION, pH 10.00, (COLOR CODED BLUE) 219 2548 BUFFER SOLUTION, pH 11.00 219 1646 BUFFER SOLUTION, pH 11.33 219 1647 BUFFER SOLUTION, pH 12.00 219 2176 BUFFER SOLUTION, pH 12.45 219 337 CALCIUM CARBONATE, PRIMARY STANDARD (ACS) 229 1148 CALCIUM CHLORIDE, SOLUTION, 2.75% 230 15 CERIC AMMONIUM NITRATE, CERTIFIED 238 14 CERIC AMMONIUM NITRATE, PRIMARY STANDARD 239 22 CERIC PERCHLORATE, SOLUTION, 0.5N 241 25 CERIC SULFATE, SOLUTION, 0.5N 241 1983 CERIC SULFATE SOLUTION, 0.4 N 241 716 CERIC SULFATE, SOLUTION, 0.2500N 241 26 CERIC SULFATE, SOLUTION, 0.1 N 242 519 CERIC SULFATE, SOLUTION, 0.0500N 242 1284 CERIC SULFATE, SOLUTION, 0.0179N 242 1991 CHLORIDE COLOR REAGENT, MERCURIC THIOCYANATE 0.06% SOLUTION 248 2349 CHLORIDE COLORIMETRIC ANALYSIS REAGENT SET 249 2048 CITRIC ACID SOLUTION, 10% W/V 260 2049 CITRIC BUFFER SOLUTION 260 2050 COBALT CHLORIDE, 1.2% SOLUTION, APHA for NITROGEN 262 2051 COLOR STANDARD SOLUTION, APHA 500 264 2381 CONDUCTIVITY STANDARD 25,000 uS/cm 265 3747 CONDUCTIVITY STANDARD, 12,880 uS/cm 265 2174 CONDUCTIVITY STANDARD 1413 uS/cm 265 686 COPPER, PRIMARY STANDARD REAGENT (ACS), SHOT 273 2054 CUPRIC SULFATE SOLUTION, 0.01 M 272 2053 CUPRIC SULFATE SOLUTION, 5% W/V 272 666 CUPRIETHYLENEDIAMINE SOLUTION, 1M 273 6661 CUPRIETHYLENEDIAMINE SOLUTION, 0.5M 273 2358 N,N’-DIETHYL-N,N’-bis(SULFOPROPYL)ETHYLENEDIAMINE, DESPEN 292 2359 N,N’-DIETHYLPIPERAZINE, DEPP 292 2060 DIMETHYLGLYOXIME SOLUTION, 1% IN ALCOHOL 300 136 DIPHENYLGUANIDINE, PRIMARY STANDARD 305 365 DISODIUM DIHYDROGEN ETHYLENEDIAMINETETRAACETATE DIHYDRATE, PRIMARY STANDARD 308 720 DISODIUM DIHYDROGEN ETHYLENEDIAMINETETRAACETATE SOLUTION, 0.1M 308 1553 DISODIUM DIHYDROGEN ETHYLENEDIAMINETETRAACETATE SOLUTION, 0.0575M 308CALL TOLL FREE 1-800-858-9682 / FAX 1-740-881-5989
  7. 7. ANALYTICAL REAGENTS & SOLUTIONS ITEM # DESCRIPTION PAGE # 1151 DISODIUM DIHYDROGEN ETHYLENEDIAMINETETRAACETATE SOLUTION, 0.05M 308 1152 DISODIUM DIHYDROGEN ETHYLENEDIAMINETETRAACETATE SOLUTION, 0.01M 308 1282 ELECTROLYTE SOLUTION 318 330 ETHYLENEGLYCOL-bis-(AMINOETHYLETHER)-TETRAACETIC ACID, REAGENT (EGTA) 325 2066 FERRIC CHLORIDE SOLUTION, 10% W/V 334 1157 FERRIC CHLORIDE SOLUTION, 0.025% 334 2069 FERRIC NITRATE SOLUTION, 40.4% in 8% Nitric Acid 335ANALYTICAL REAGENTS&SOLUTIONS 2068 FERRIC NITRATE SOLUTION, 20% W/V 335 2067 FERRIC NITRATE SOLUTION, 5% in 2.5% Nitric Acid 335 41 FERROUS ETHYLENEDIAMMONIUM SULFATE, PRIMARY STANDARD 336 927 HEXAMETHYLENETETRAMINE, REAGENT (ACS) 356 2350 n-HEXANE-MTBE 80-20 MIXTURE 357 2171 HYDROCHLORIC ACID, SOLUTION 6.0 N 366 1572 HYDROCHLORIC ACID, SOLUTION, 2 N 366 382 HYDROCHLORIC ACID, SOLUTION, 1.0 N 366 1162 HYDROCHLORIC ACID, SOLUTION, 0.5 N 367 2330 HYDROCHLORIC ACID, SOLUTION, 0.2 N 367 722 HYDROCHLORIC ACID, SOLUTION, 0.1 N 367 2071 HYDROCHLORIC ACID, SOLUTION, 0.05 N 367 2535 HYDROCHLORIC ACID, SOLUTION, 0.02 N 367 1161 HYDROCHLORIC ACID, SOLUTION, 0.01 N 367 3578 HYDROCHLORIC ACID, 0.1 N, in ISOPROPYL ALCOHOL 367 2305 HYDROCHLORIC ACID, 10% V/V, 1 + 9 367 3790 HYDROGEN PEROXIDE, 50% SOLUTION 368 932 HYDROGEN PEROXIDE, 30%, REAGENT (ACS) 369 9321 HYDROGEN PEROXIDE SOLUTION, 3% 369 771 HYDROXYETHYLETHYLENEDIAMINETRIACETIC ACID, TRISODIUM SALT, REAGENT 370 2072 HYDROXYLAMMONIUM CHLORIDE SOLUTION, 50% AQUEOUS W/V 371 1543 HYDROXYLAMMONIUM CHLORIDE SOLUTION, 20% AQUEOUS 371 1083 HYDROXYLAMMONIUM CHLORIDE SOLUTION, 10% AQUEOUS 371 2074 IODINE, TINCTURE 379 1163 IODINE, SOLUTION, 1 N 378 2073 IODINE, SOLUTION, 0.5 N 378 1164 IODINE, SOLUTION, 0.1 N 379 226 IRON, ELECTROLYTIC, PRIMARY STANDARD 382 1591 LANTHANUM CHLORIDE, SOLUTION, 10% 392 2075 LEAD ACETATE, 10% SOLUTION 395 2076 LEAD PERCHLORATE SOLUTION, 0.1 M 397 348 MAGNESIUM IODATE, TETRAHYDRATE, PRIMARY STANDARD 410 1168 MAGNESIUM SULFATE SOLUTION 2.25% 413 2078 MANGANESE SULFATE, SOLUTION 416 2079 MERCURIC CHLORIDE SOLUTION, 1% 418 2080 MERCURIC NITRATE SOLUTION, 0.1 N 418 1858 MERCURIC SULFATE SOLUTION 419 2338 MERCURIC SULFATE SOLUTION, FOR DIGESTION 419 2352 MERCURIC THIOCYANATE, SOLUTION, 0.48% in METHYL ALCOHOL 419 2365 4-(N-MORPHOLINO)BUTANESULFONIC ACID, MOBS 438 2364 2-(N-MORPHOLINO)ETHANESULFONIC ACID, MES 438 2363 3-(N-MORPHOLINO)PROPANESULFONIC ACID, MOPS 438 969 NESSLER REAGENT, Mercuric Potassium Iodide, Solution 445 1176 NITRIC ACID, SOLUTION, 1.0 N 451 2257 NITRIC ACID SOLUTION, 0.5 N 452 1175 NITRIC ACID, SOLUTION, 0.1 N 452 1278 NITRIC ACID, SOLUTION, 15% W/W 452 1280 NITRIC ACID, SOLUTION, 10% W/W 452 WE HONOR
  8. 8. ANALYTICAL REAGENTS & SOLUTIONS ITEM # DESCRIPTION PAGE # 2089 o-NITROPHENOL SOLUTION, 0.3% AQUEOUS 454 2087 m-NITROPHENOL SOLUTION, 0.1% AQUEOUS 454 2088 m-NITROPHENOL INDICATOR SOLUTION, 1% IN ETHANOL 454 2090 p-NITROPHENOL SOLUTION, 0.1% AQUEOUS 454 64 OSMIUM TETROXIDE, SOLUTION, 0.01 M in 0.1 M sulfuric acid 465 2092 OXALIC ACID SOLUTION, 0.1 N 466 2091 OXALIC ACID SOLUTION, 10% W/V 466 ANALYTICAL REAGENTS&SOLUTIONS 1677 PERCHLORIC ACID SOLUTION, 0.1 N, AQUEOUS 476 71 PERCHLORIC ACID SOLUTION, 0.1 N IN ACETIC ACID 476 2963 PHENOLDISULFONIC ACID, SOLUTION 478 726 PHENOLPHTHALEIN SOLUTION, 1% 478 2286 PHENYLARSINE OXIDE, SOLUTION, 0.00564 N 479 2182 PHOSPHATE BUFFER FOR CHLORINE, pH 7 485 1279 PHOSPHORIC ACID, SOLUTION, 15% 486 2360 PIPERAZINE-N,N’-bis(4-BUTANESULFONIC ACID), PIPBS 488 2362 PIPERAZINE-N,N’-bis(2-ETHANESULFONIC ACID), PIPES 488 2361 PIPERAZINE-N,N’-bis(3-PROPANESULFONIC ACID), PIPPS 488 554 POTASSIUM ACID PHTHALATE, PRIMARY STANDARD (ACS) 494 2354 POTASSIUM ACID PHTHALATE, BUFFER GRADE 494 2096 POTASSIUM ACID PHTHALATE, SOLUTION, 0.100 N 494 76 POTASSIUM BIIODATE, CERTIFIED 495 75 POTASSIUM BIIODATE, PRIMARY STANDARD (ACS) 495 826 POTASSIUM BIIODATE, SOLUTION, 0.025 N 495 2546 POTASSIUM BROMATE-BROMIDE, SOLUTION, 0.2 N 496 2270 POTASSIUM BROMATE-BROMIDE, SOLUTION, 0.1 N 496 1179 POTASSIUM CHLORIDE, SOLUTION, 4 M 498 384 POTASSIUM CHLORIDE, SOLUTION, 1 N 498 2097 POTASSIUM CHLORIDE, SOLUTION, 0.1 N 498 2098 POTASSIUM CHROMATE, 63% W/V, INDICATOR SOLUTION 499 1180 POTASSIUM CHROMATE, SOLUTION, 5% 499 2385 POTASSIUM CITRATE, KF WATER STANDARD 499 78 POTASSIUM DICHROMATE, CERTIFIED 500 730 POTASSIUM DICHROMATE, 0.1 N, SOLUTION 500 3571 POTASSIUM DICHROMATE, 0.5 N, SOLUTION 500 1563 POTASSIUM DICHROMATE, 0.025 N, SOLUTION 500 2100 POTASSIUM FERRICYANIDE, 10% W/V, AQUEOUS SOLUTION 501 2101 POTASSIUM FERROCYANIDE, SOLUTION, 10% W/V 502 2290 POTASSIUM HYDROXIDE, 45% W/W 503 2188 POTASSIUM HYDROXIDE SOLUTION, 2 N 504 1184 POTASSIUM HYDROXIDE SOLUTION, 1 N 504 1183 POTASSIUM HYDROXIDE SOLUTION, 0.5 N 504 1182 POTASSIUM HYDROXIDE SOLUTION, 0.1N 504 1976 POTASSIUM HYDROXIDE SOLUTION, 0.5 N IN METHANOL 504 1674 POTASSIUM HYDROXIDE SOLUTION, 0.1 N IN METHANOL 504 2475 POTASSIUM HYDROXIDE SOLUTION, 0.05 N IN METHANOL 504 1984 POTASSIUM HYDROXIDE SOLUTION, 0.01 N IN METHANOL 504 1972 POTASSIUM HYDROXIDE SOLUTION 0.1 N, IN ISOPROPANOL 505 3572 POTASSIUM HYDROXIDE SOLUTION 0.01 N, in ISOPROPANOL 505 1648 POTASSIUM IODATE, SOLUTION, 0.1 N (0.025 mol/L) TITRANT 505 1185 POTASSIUM IODATE, SOLUTION, 0.1 N, (0.0167 mol/L) IODIMETRIC STANDARD 505 2269 POTASSIUM IODATE-IODIDE, SOLUTION, 0.5 N 505 1564 POTASSIUM IODATE-IODIDE, SOLUTION, 0.1 N 506 2274 POTASSIUM IODIDE, SOLUTION, 20% 506 2191 POTASSIUM IODIDE, SOLUTION 10% W/V 506 2102 POTASSIUM IODIDE, SOLUTION, 5% W/V 506CALL TOLL FREE 1-800-858-9682 / FAX 1-740-881-5989
  9. 9. ANALYTICAL REAGENTS & SOLUTIONS ITEM # DESCRIPTION PAGE # 1861 POTASSIUM PERMANGANATE, SOLUTION, 1.0 N 509 1186 POTASSIUM PERMANGANATE, SOLUTION, 0.1 N 509 2447 POTASSIUM PERMANGANATE, SOLUTION, 0.0435 N 509 2105 POTASSIUM SODIUM TARTRATE, SOLUTION, 20% W/V 512 2142 POTASSIUM SODIUM TARTRATE, SOLUTION, 10% W/V 512 2103 POTASSIUM THIOCYANATE, SOLUTION, 5% W/V 513 1675 SILVER NITRATE, SOLUTION, 1.0 N 544ANALYTICAL REAGENTS&SOLUTIONS 2108 SILVER NITRATE, SOLUTION, 0.5 N 544 1228 SILVER NITRATE, SOLUTION, 0.153 N 544 2107 SILVER NITRATE, SOLUTION, 0.141 N 544 733 SILVER NITRATE, SOLUTION, 0.10 N 545 1285 SILVER NITRATE, SOLUTION, 0.05 N 545 2106 SILVER NITRATE, SOLUTION, 0.02 N 545 3514 SILVER NITRATE, SOLUTION, 0.0141 N 545 2187 SILVER NITRATE SOLUTION 10% W/V 545 1542 SODIUM ACETATE, SOLUTION, 20%, IN WATER 548 1084 SODIUM ACETATE, SOLUTION, 10%, IN WATER 548 385 SODIUM ACETATE-2M ACETIC ACID BUFFER 548 2110 SODIUM ARSENITE, SOLUTION, 0.1 N 549 2111 SODIUM BICARBONATE, SOLUTION 0.1 M 550 2112 SODIUM BICARBONATE, 5.5% W/V, SOLUTION 550 2115 SODIUM BROMIDE, SOLUTION, 0.1 M 551 2114 SODIUM BROMIDE SOLUTION, 10% W/V 551 1698 SODIUM CARBONATE, ANHYDROUS, PRIMARY STANDARD (ACS) 552 2119 SODIUM CARBONATE, SOLUTION, 1.0 N 553 2117 SODIUM CARBONATE SOLUTION, 10% W/V 553 2116 SODIUM CARBONATE SOLUTION, 5% W/V 553 2123 SODIUM CHLORIDE, SOLUTION, 0.10 N 553 2122 SODIUM CHLORIDE, SOLUTION, 0.0141N 554 2121 SODIUM CHLORIDE, SOLUTION, 0.1 M 554 2120 SODIUM CHLORIDE SOLUTION, 20% W/V 554 1599 SODIUM CHLORIDE SOLUTION, 0.9% 554 2124 SODIUM CHLORIDE-HYDROXYLAMINE SULFATE SOLUTION 554 2125 SODIUM CHROMATE, SOLUTION, 0.5 M 555 2126 SODIUM CITRATE, SOLUTION, 30% W/V 555 2127 SODIUM CITRATE, SOLUTION 555 2128 SODIUM FLUORIDE, SOLUTION, 0.1 M 557 1579 SODIUM HYDROXIDE, SOLUTION, 10 N 558 1551 SODIUM HYDROXIDE, SOLUTION, 5 N 558 1573 SODIUM HYDROXIDE, SOLUTION, 2 N 558 1193 SODIUM HYDROXIDE, SOLUTION, 1.0 N 558 1192 SODIUM HYDROXIDE, SOLUTION, 0.5 N 558 2198 SODIUM HYDROXIDE, SOLUTION, 0.2 N 559 1191 SODIUM HYDROXIDE, SOLUTION, 0.1 N 559 2172 SODIUM HYDROXIDE, SOLUTION, 0.05 N 559 2133 SODIUM HYDROXIDE, SOLUTION, 0.02 N 559 2132 SODIUM HYDROXIDE, SOLUTION, 0.01 N 559 2291 SODIUM HYDROXIDE, SOLUTION, 0.1 N, IN ETHANOL 559 2292 SODIUM HYDROXIDE SOLUTION 0.01 N, IN ALCOHOL 559 2131 SODIUM HYDROXIDE SOLUTION, 50% W/W, REAGENT GRADE 559 2130 SODIUM HYDROXIDE SOLUTION, 50% W/W, Suitable for Kjeldahl use. 559 2129 SODIUM HYDROXIDE SOLUTION, 25% W/W 560 1989 SODIUM HYDROXIDE SOLUTION, 10% 560 2134 SODIUM HYDROXIDE-THIOSULFATE SOLUTION 560 2763 SODIUM HYPOCHLORITE, SOLUTION, 5% AVAILABLE CHLORINE 560 WE HONOR
  10. 10. ANALYTICAL REAGENTS & SOLUTIONS ITEM # DESCRIPTION PAGE # 2135 SODIUM IODIDE, SOLUTION, 0.10 M 561 2136 SODIUM IONIC STRENGTH ADJUSTER SOLUTION 561 2113 SODIUM META BISULFITE, SOLUTION, 10% W/V 561 2137 SODIUM NITRATE, SOLUTION, 5 M 563 2192 SODIUM NITRITE, SOLUTION, 0.5 N 563 2139 SODIUM NITRITE, SOLUTION, 0.1 M 563 2342 SODIUM NITRITE, SOLUTION, 10% 563 ANALYTICAL REAGENTS&SOLUTIONS 2138 SODIUM NITRITE, SOLUTION, 5% 564 90 SODIUM OXALATE, CERTIFIED, PRIMARY STANDARD 564 2141 SODIUM OXALATE, SOLUTION, 0.10 N 564 2140 SODIUM OXALATE, SOLUTION, 0.05 N 564 2143 SODIUM SULFATE, SOLUTION, 0.10 M 570 2145 SODIUM THIOCYANATE SOLUTION, 0.1 N 571 2144 SODIUM THIOCYANATE SOLUTION, 10% W/V 571 1195 SODIUM THIOSULFATE SOLUTION, 1.0 N 572 2177 SODIUM THIOSULFATE SOLUTION, 0.5 N 572 736 SODIUM THIOSULFATE SOLUTION, 0.1 N 572 2146 SODIUM THIOSULFATE SOLUTION, 0.05 N 572 1559 SODIUM THIOSULFATE SOLUTION, 0.01N 572 2147 SPADNS SOLUTION 574 2149 STANNOUS CHLORIDE, 40%, SOLUTION 575 2148 STANNOUS CHLORIDE, 10% W/V, SOLUTION 575 2150 STANNOUS CHLORIDE, REAGENT I, SOLUTION 575 2151 STANNOUS CHLORIDE, REAGENT II, SOLUTION 575 98 SULFAMIC ACID, CERTIFIED, PRIMARY STANDARD 579 97 SULFAMIC ACID, PRIMARY STANDARD 579 2154 SULFITE-UREA REAGENT SOLUTION 580 1977 SULFURIC ACID, SOLUTION, 18 N 582 2158 SULFURIC ACID, SOLUTION, 5.00 N 582 1557 SULFURIC ACID, SOLUTION, 2.56 N 583 1201 SULFURIC ACID, SOLUTION, 1 N 583 1200 SULFURIC ACID, SOLUTION, 0.5 N 583 2255 SULFURIC ACID, SOLUTION, 0.25 N 583 1199 SULFURIC ACID, SOLUTION, 0.1 N 583 1198 SULFURIC ACID, SOLUTION, 0.02 N 583 2173 SULFURIC ACID, 37%, SOLUTION 583 2911 SULFURIC ACID, SOLUTION, 20% W/V 584 2157 SULFURIC ACID SOLUTION, 10% V/V 584 2156 SULFURIC ACID SOLUTION, 5% V/V 584 2160 TARTARIC ACID SOLUTION, 10% W/V 586 2159 TARTARIC ACID SOLUTION, 2% W/V 586 2432 TETRABUTYLAMMONIUM CHLORIDE, 1.0 M AQUEOUS 591 1561 TETRABUTYLAMMONIUM HYDROXIDE, 0.05 M, AQUEOUS 592 2436 TETRABUTYLAMMONIUM PHOSPHATE BUFFER, pH 7.5 592 2357 N,N,N’,N’-TETRAETHYLETHYLENEDIAMINE 595 2189 THORIN INDICATOR SOLUTION, 0.2% 602 2163 TISAB II, SOLUTION, FOR FLUORIDE 606 1281 TITRATION SOLVENT, ASTM D664, section 7.18 608 1896 TITRATION SOLVENT, ACIDIC 608 2790 TRIETHANOLAMINE, 0.2 N, AQUEOUS SOLUTION 613 176 TRISHYDROXYMETHYLAMINOMETHANE, PRIMARY STANDARD 622 2168 WATER HARDNESS BUFFER SOLUTION, WITH NO ADDED MAGNESIUM 628 2167 WATER HARDNESS BUFFER SOLUTION, WITH MAGNESIUM EDTA 628 2169 WIJS SOLUTION 629 1209 ZINC SULFATE SOLUTION, 5% 638CALL TOLL FREE 1-800-858-9682 / FAX 1-740-881-5989
  11. 11. High-Purity Quaternary Ammonium SaltsANALYTICAL REAGENTS&SOLUTIONS HPLC and processes and protocols that examples and broader appli- Analytical Grade Quats have stringent purity require- cations include: As a chemical manufacturer ments; this includes suitabili- • Bu4NOH (TBA hydroxide) - serving analytical labs world- ty for use as polarographic supporting electrolyte; wide, the addition of product electrolytes and/or HPLC phase-transfer catalyst; lines targeted directly to that applications. Both methanolic titrant market is one of our top prior- and aqueous hydroxide solu- • Bu4N(H2PO4) (TBA phos- ities. Hundreds of GFS prod- tions feature: phate) - ion-pair chromatog- ucts fit this product profile, • very high alkalinity raphy; buffering medium and two groups deserve spe- • very low chloride • Me4NCl (TMA chloride) - cial mention: ultrapure (99.99 • virtual freedom from alkali USP/NF polarographic test to 99.9999%) materials and metal impurities reagent; catalyst; inhibitor standard solutions, (for exam- • low ash • Me4NOH (TMA hydroxide) - ples, see pp. 96-97) and synthetic intermediate; Quaternary Ammonium salts The EARG line fully comple- precipitant; etchant; catalyst and solutions (QUATS). ments the traditional GFS • Et4NPF6 (TEA hexafluo- QUAT line, which has found widespread industrial and rophosphate) - fluoriding GFS has a long history with agent; biocide precursor QUATS; our production of commercial use. Some key tetraalkylammonium perchlo- rates reflects the company’s dominant market position in perchloric acid and inorganic perchlorate salts. The GFS QUAT line now includes Electrometric and Analytical Reagent Grade (EARG) prod- ucts. The EARG line of high purity QUATS have characteristic properties that are of particu- lar interest to chemists and technicians dealing with
  12. 12. Many other products areavailable in various purities,and we make custom formula-tions on a regular basis.The chemical literaturereflects a broad and ongoinginterest in QUATS, including ANALYTICAL REAGENTS&SOLUTIONSthe perchlorate salts. Electro-analytical studies oftetraethylammonium perchlo-rate solutions have elucidatedthe nature of cation adsorp-tion at mercury electrodes.1A wide range of tetrabutyl-ammonium perchlorate solu-tions have been examined forconductometric and dielectricbehavior.2 Electronic conduc-tion has also been used tostudy the behavior of thenitrobenzene anion radical inthe presence of tetrabutylam-monium perchlorate in solidnitrobenzene.3In the final analysis, it’s allpart of the greater productselection and personal servicethat you’ve come to expectfrom GFS.1. Journal of ElectroanalyticalChemistry 1989, vol.270 pp. 381-393.2. Acta Chemica Scandanavia 1989,vol.43, pp. 103-115.3. Bulletin of the Chemical Society ofJapan 1989, vol.62, pp. 3413-3416.
  13. 13. QUATS INDEX ITEM # DESCRIPTION PAGE # 2717 ALIQUAT 175 167 3557 CETYLTRIMETHYLAMMONIUM BROMIDE, 98% 248 2515 TETRABUTYLAMMONIUM ACETATE, 1 MOLAR, AQUEOUS 590 2516 TETRABUTYLAMMONIUM BOROHYDRIDE, 98% 590 353 TETRABUTYLAMMONIUM BROMIDE, REAGENT (ACS) 590 2462 TETRABUTYLAMMONIUM CHLORIDE, HYDRATE, 98% 591 2432 TETRABUTYLAMMONIUM CHLORIDE, 1.0 M AQUEOUS 591ANALYTICAL REAGENTS&SOLUTIONS 2433 TETRABUTYLAMMONIUM DIHYDROGEN PHOSPHATE 591 5147 TETRABUTYLAMMONIUM FLUORIDE, HYDRATE, 98% 591 2435 TETRABUTYLAMMONIUM HEXAFLUOROPHOSPHATE 591 2517 TETRABUTYLAMMONIUM HYDROGEN SULFATE 591 1202 TETRABUTYLAMMONIUM HYDROXIDE, 1.0 M, REAGENT (ACS), AQUEOUS 591 2262 TETRABUTYLAMMONIUM HYDROXIDE, 0.4 M AQUEOUS, ELECTROMETRIC GRADE 591 2444 TETRABUTYLAMMONIUM HYDROXIDE, 1.0 M IN METHYL ALCOHOL 592 3575 TETRABUTYLAMMONIUM HYDROXIDE, 55% AQUEOUS 592 2984 TETRABUTYLAMMONIUM HYDROXIDE, 40% AQUEOUS SOLUTION 592 225 TETRABUTYLAMMONIUM IODIDE, REAGENT 592 394 TETRABUTYLAMMONIUM PERCHLORATE, REAGENT 592 2436 TETRABUTYLAMMONIUM PHOSPHATE BUFFER, pH 7.5 592 2434 TETRABUTYLAMMONIUM TETRAFLUOROBORATE 592 2518 TETRABUTYLAMMONIUM TRIFLUOROMETHANESULFONATE 593 2519 TETRAETHYLAMMONIUM ACETATE, 50%, AQUEOUS SOLUTION 594 1513 TETRAETHYLAMMONIUM BROMIDE 594 1514 TETRAETHYLAMMONIUM CHLORIDE, MONOHYDRATE, 98% 594 2438 TETRAETHYLAMMONIUM HEXAFLUOROPHOSPHATE 594 2439 TETRAETHYLAMMONIUM HYDROXIDE, 1.0M 595 2520 TETRAETHYLAMMONIUM HYDROXIDE, 20%, AQUEOUS SOLUTION 595 2440 TETRAETHYLAMMONIUM IODIDE 595 2522 TETRAETHYLAMMONIUM NITRATE, 35%, AQUEOUS 595 511 TETRAETHYLAMMONIUM PERCHLORATE 595 2437 TETRAETHYLAMMONIUM TETRAFLUOROBORATE 595 366 TETRAHEXYLAMMONIUM IODIDE, REAGENT 596 512 TETRAHEXYLAMMONIUM PERCHLORATE 596 3779 TETRAKIS(TETRABUTYLAMMONIUM) ETHYLENEDIAMINETETRAACETATE, 50% SOLUTION 359 3780 TETRAKIS(TETRAMETHYLAMMONIUM) ETHYLENEDIAMINETETRAACETATE, 30% SOLUTION 597 1515 TETRAMETHYLAMMONIUM BROMIDE, REAGENT (ACS) 598 1516 TETRAMETHYLAMMONIUM CHLORIDE 598 2726 TETRAMETHYLAMMONIUM FLUORIDE, TETRAHYDRATE, 98% 598 2442 TETRAMETHYLAMMONIUM HEXAFLUOROPHOSPHATE 598 2524 TETRAMETHYLAMMONIUM HYDROGEN PHTHALATE, 99% 598 1680 TETRAMETHYLAMMONIUM HYDROXIDE, PENTAHYDRATE 598 2275 TETRAMETHYLAMMONIUM HYDROXIDE, SOLUTION, 1.0 Mol/L in WATER, REAGENT (ACS) 598 1204 TETRAMETHYLAMMONIUM HYDROXIDE, SOLUTION, 25% in WATER 598 2523 TETRAMETHYLAMMONIUM HYDROXIDE, SOLUTION, 25% in METHANOL 599 2443 TETRAMETHYLAMMONIUM IODIDE 599 510 TETRAMETHYLAMMONIUM PERCHLORATE 599 2525 TETRAMETHYLAMMONIUM SILICATE, 18%, AQUEOUS SOLUTION 599 2441 TETRAMETHYLAMMONIUM TETRAFLUOROBORATE 599 2526 TETRAPROPYLAMMONIUM BROMIDE, 98% 600 2527 TETRAPROPYLAMMONIUM CHLORIDE, 98% 600 3500 TETRAPROPYLAMMONIUM HEXAFLUOROPHOSPHATE 600 2528 TETRAPROPYLAMMONIUM HYDROXIDE, 1 M, AQUEOUS SOLUTION 600 WE HONOR

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