T/QAS 073-2021 Active Group standards

T/QAS 073-2021 The determination of calcium and iron content in sodium hydroxide using inductively coupled plasma atomic emission spectroscopy

Publish Date: 2021-12-10 Implement Date: 2021-12-20 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/QAS 073-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Inorganic acids and alkalis

ICS Name: Chemical production

Publish Date: 2021-12-10

Implement Date: 2021-12-20

Scope

Main technical content: This document specifies the principle, reagents, instruments and equipment, sample preparation, experimental steps, experimental data processing, and allowable errors for the determination of calcium and iron content in sodium hydroxide by inductively coupled plasma emission spectrometry. This document is applicable to the determination of calcium and iron content in solid sodium hydroxide. The detection limit of the calcium content method is 0.00005%, and the detection limit of the iron content method is 0.00015%