China Chemical Standards

Non-destructive testing—Coercivity testing method for static equipments of petroleum and chemical plant

Issued

2026-05-25

Effective

2026-12-01

Methods for chemical analysis of tantalum and niobium—Part 14: Determination of oxygen and nitrogen contents—Pulse-infrared absorption and thermal conductivity method

Issued

2026-05-25

Effective

2026-12-01

Methods for chemical analysis of magnesium and magnesium alloys—Part 8：Determination of rare earth content

Issued

2026-05-25

Effective

2026-12-01

Chemical analysis method for stannous sulfate—Part 7：Determination of the contents of copper, lead, arsenic, iron, antimony, potassium, sodium, calcium and magnesium—Inductively coupled plasma optical emission spectrometry(ICP-OES)

Issued

2026-05-25

Effective

2026-12-01

Chemical analysis methods and determination of physical performance of alumina—Part 24: Measurement of the angle of repose and the angle of flow

Issued

2026-05-25

Effective

2026-12-01

Methods for chemical analysis of magnesium and magnesium alloys—Part 4：Determination of manganese and zirconium content—Spectrophotometric method

Issued

2026-05-25

Effective

2026-12-01

Methods for chemical analysis of magnesium and magnesium alloys—Part 13：Determination of lead, calcium, kalium and sodium content—Flame atomic absorption spectrometric method

Issued

2026-05-25

Effective

2026-12-01

Chemical analysis methods and determination of physical performance of alumina—Part 13: Determination of calcium oxide content—Flame atomic absorption spectrometric method

Issued

2026-05-25

Effective

2026-12-01

Methods for chemical analysis of magnesium and magnesium alloys—Part 2：Determination of tin,beryllium,copper,nickel and titanium content—Spectrophotometric method

Issued

2026-05-25

Effective

2026-12-01