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TDS Blue NH3 Dye


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TDS Blue NH3 Dye

  1. 1. NIRMITEE CHEMICALS 7/c Arihant Complex, Sr. no. – 3, Wadgaon-Sheri, Pune, Maharashtra, INDIA. Pin Code-411014 Tel : +91 20 2703 3792 / +91 9604129588 E-mail : Blue NH-3 Dye SPECIFICATION : Appearance : Wet cake Colour : Dark blue Performance : Should Pass Dye Content : 80% Moisture : 20% Basic Raw Material : 3-Amino-7-N,N-Dimethylamino-5-Phenyl Phenazinium Chloride PROCEDURE : Appearance : Visually Colour : Visually (Comparable with standard supplied by R & D) Performance : To be compared with standard under same condition. Solubility : Completely soluble in Sulphuric Acid Solution Method : Dissolve 80 gm of Blue NH-3 dye in 1 ltr. of water add 50 ml of Sulphuric acid. Temperature may increase up 50°C. Then keep this under stirring for 5 hrs. Then filter the solution. You may get some insoluble particles of dye which you can dissolve in separate solution again. Use this filtered solution in acid copper brightener. Usage : Blue NH-3 is normally 0.2 to 0.25% on dry basis. In 1 ltr. of Acid Copper Brightener it should be added 3.125 gm or less. Use above filtered solution accordingly. Note : * for in house report only