National Accreditation Board for Testing & Calibration Laboratories (NABL) is an autonomous society providing Accreditation (Recognition) of Technical competence of a testing, calibration, medical laboratory & Proficiency testing provider (PTP) & Reference Material Producer (RMP) for a specific scope
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Sunday, 18 February 2018
AMMONIA AMMONIUM CHLORIDE SOLUTION
METHOD OF
PREPARATION:
Dissolve 67.5 gm of Ammonium Chloride in 740 ml of strong Ammonia solution (25
%) and add sufficient distilled water to produce 1000 ml.
[Store this solution at room temperature in Borosil
glass bottles with well-fitted suitable stopper.]
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