Chinese National Standards

Test method for the pressure fluctuation measurement induced by rotor revolution of propulsor with duct

Issued

2026-05-25

Effective

2026-12-01

Determination of the ultimate aerobic biodegradability of plastic materials in soil—Method by measuring the oxygen demand or carbon dioxide evolved in a closed respirometer

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

Greenhouse gases—Quantification method and requirements for carbon footprint of products—Cement

Issued

2026-05-25

Effective

2026-12-01

Corrugating medium

Issued

2026-05-25

Effective

2026-12-01

Cybersecurity technology—Entity authentication involving a trusted third party and access architecture specification

Issued

2026-05-25

Effective

2026-12-01

Stationary pressure vessel periodical inspection method

Issued

2026-05-25

Effective

2026-12-01

Acousto-optic crystals

Issued

2026-05-25

Effective

2026-12-01

Soil quality—Determination of total mercury, total arsenic and total lead—Atomic fluorescence spectrometry—Part 3: Determination of total lead in soil

Issued

2026-05-25

Effective

2026-12-01