Specification totaln kjeldahl

176 views

Published on

Published in: Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
176
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
2
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Specification totaln kjeldahl

  1. 1. Total Kjeldahl Nitrogen Analyser Purpose To measure total nitrogen in water or soil samples Specifications: Brief Description of the System • The analyser should be a semi-automatic system consisting of a digestion unit, a scrubber unit, and a distillation unit Digestion Unit • Should have electrically heated (230 ± 10 Volts, 50 Hz AC) metal blocks. It should be capable of providing a temperature range from 45 - 450oC. Should have inbuilt temperature controller with digital display alongwith manual temperature adjustment. • Should have the capacity to accommodate atleast six numbers of digestion tubes each of atleast 200ml capacity • Should have leakproof integrated condensors (fumes carriers) made up of glass, fixed on a movable panel alongwith Adapter for outlet to the scrubber unit. Scrubber unit • Should be an oil free centrifugal suction type, with manual vacuum adjustment facility. • Corrosion and impact resistant, provided with condensate and acid fumes collection vessels. • Should operate on 220 VAC ±10%, 47 to 53 Hz power supply Distillation Unit • Should be made-up of standard quality borosilicate glass. • Should possess a steam generator made-up of borosilicate glass alongwith heater and have 3 step manual control facility i.e. standby, water inlet and distillation. • Should have inbuilt diaphragm pump alongwith push button for alkali dispensing with manual volume adjustment. • Should have ventilation value. • Should have timer for 5 - 15 minutes with audio signal. • Steam inlet tube should be of PTFE. • Unit should have quick clamping device for digestion tube with adaptor.
  2. 2. • Should operate on 220 VAC ±10%, 47 to 53 Hz, AC power supply. • Complete unit should provided with one set of digestion tubes alongwith the servicing, operating and maintenance manuals. Quality Certificate • Installation qualification, operational qualification and performance qualification certificate from NABL Accredited Laboratory or US-EPA certificate of performance Accessories • Spares and accessories for its 2 years of continuous use considering expiry dates of the reagents • 1 set of digestion tubes. • Digestion tube stand • Spillage tray for the condensors • Tube removing device

×