China Chemical Standards

Textiles—Quantitative chemical analysis—Mixtures of acrylic with certain other fibres（method using formic acid and zinc chloride）

Issued

2019-06-04

Effective

2020-01-01

Nanotechnology—Silver nanomaterials—Guidance for the characterization of biological effect-related physicochemical properties

Issued

2018-03-15

Effective

2018-10-01

Determination of carboxyreactivity of coal

Issued

2018-02-06

Effective

2018-09-01

Chemical analysis methods for rare earth residue and waste water—Part 2：Determination of chemical oxygen demand（COD）

Issued

2017-10-14

Effective

2018-05-01

Feed additive-β-Carotene（Synthetic）

Issued

2017-10-14

Effective

2018-05-01

Designation and composition of wrought magnesium and magnesium alloys

Issued

2016-08-29

Effective

2017-07-01

Chemical analysis of refractories containing chrome

Issued

2015-12-10

Effective

2016-07-01

Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 2: Determination of ignition loss content of rare earth oxides—Gravimetric method

Issued

2015-09-11

Effective

2016-04-01

Water treatment chemicals―Aluminum sulfate

Issued

2014-12-22

Effective

2015-10-01