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
DIPHENYLAMINE SOLUTION
METHOD
OF PREPARATION:
Dissolve 0.1 g of Diphenylamine in 100 ml of Sulphuric acid.
[Store
this solution at room temperature in Borosil amber glass bottles with
well-fitted suitable stopper.]
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