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
NITRATE STANDARD SOLUTION (100 PPM No3)
METHOD OF PREPARATION:
Dilute
1 ml of 0.163 % w/v solution of potassium nitrate to 10 ml with water.
[Store this solution at room temperature in Borosil
glass bottles with well-fitted suitable stopper.]
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