China Chemical Standards

Methods for chemical analysis of magnesium and magnesium alloys—Part 20：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method

Issued

2024-04-25

Effective

2024-11-01

Cleanroom and associated controlled environments—Technical requirements of air chemical contamination control

Issued

2024-03-15

Effective

2024-10-01

Leather and fur—Chemical test—Determination of fire retardants

Issued

2024-03-15

Effective

2024-10-01

Electrochemical performance test of lithium cobalt oxide—Test method for the initial discharge specific capacity and the initial efficiency

Issued

2023-09-07

Effective

2024-04-01

Bismuth germanate (BGO) crystal—Chemical analysis of trace elements—Glow discharge mass spectrometry

Issued

2023-05-23

Effective

2023-09-01

Methods for chemical analysis of zinc concentrates—Part 25:Determination of indium content—Flame atomic absorption spectrometry

Issued

2023-05-23

Effective

2023-12-01

Textiles—Determination of neonicotinoid pesticide residues

Issued

2020-07-21

Effective

2021-02-01

Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents

Issued

2019-12-31

Effective

2020-11-01

Leather and fur—Chemical tests—Determination of dimethyl formamide content

Issued

2019-12-31

Effective

2020-07-01