China Metal and Metallurgy Standards

Methods for chemical analysis of magnesium and magnesium alloys—Part 15：Determination of zinc content

Issued

2026-05-25

Effective

2026-12-01

Steel plate，sheet and strip for ore powder pulp slurry pipeline

Issued

2026-05-25

Effective

2026-12-01

Photoelectric direct reading atomic emission spectrometric method of aluminium and aluminium alloys

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

Method for determination of the carbon film and carbon content on the inner surface of copper and copper-alloy tube

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

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

Section steel for transport rail of medium and low speed maglev transit

Issued

2026-05-25

Effective

2026-12-01