SH/T 1499.7-2012
Pure adipic acid.Part 7:Determination of content of nitric acid.Spectrophotometric method (English Version)

Standard No.

SH/T 1499.7-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Professional Standard - Petrochemical Industry

Latest

SH/T 1499.7-2012

Replace

SH/T 1499.7-1997

Scope

This section specifies the spectrophotometric method for the determination of nitric acid content in purified adipic acid. This section applies to the determination of nitric acid content in purified adipic acid. The minimum determination concentration is 0.3 mg/kg.

SH/T 1499.7-2012 Referenced Document

• GB/T 602-2002 Chemical reagent--Preparations of standard solutions for impurity
• GB/T 6678 General principles for sampling chemical products
• GB/T 6679 General rules for sampling solid chemical products
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

SH/T 1499.7-2012 history

• 2012 SH/T 1499.7-2012 Pure adipic acid.Part 7:Determination of content of nitric acid.Spectrophotometric method
• 1997 SH/T 1499.7-1997 Pure adipic acid.Determination of content of nitric acid.Spectrophotometric method