T/CNIA 0119-2021
Determination of trace anions in high-purity nitric acid for the electronics industry by ion chromatography (English Version)

Standard No.

T/CNIA 0119-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/CNIA 0119-2021

Scope

This document specifies a method for the determination of trace anions (chloride, phosphate, sulfate) in high-purity nitric acid used in the electronics industry by ion chromatography. This document is suitable for the determination of trace anion content in high-purity nitric acid used in the electronics industry. Measuring range: 10.000μg/kg～500.000μg/kg.

T/CNIA 0119-2021 history

• 2021 T/CNIA 0119-2021 Determination of trace anions in high-purity nitric acid for the electronics industry by ion chromatography