China Standards English version of Heavy metals and their alloys analysis method

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Database: 365,228(8 Aug 2026)

food safety GB/T 9254 GB/T 22239 GB 50010 seed quality safety requirements

GB/T 33817-2026 in English

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

TO BE VALID

Issued on:2026-05-25 | Implemented on:2026-12-01

$270.00 $262.00
GB/T 42513.11-2026 in English

Methods for chemical analysis of nickel alloy—Part 11:Determination of silicon, manganese, phosphorus, chromium, nickel, copper, molybdenum, cobalt, iron, aluminum, vanadium, titanium, tungsten and niobium content—X-ray fluorescence spectrometry(routine method)

VALID

Issued on:2026-01-28 | Implemented on:2026-08-01

$375.00 $364.00
GB/T 3884.1-2025 in English

Methods for chemical analysis of copper concentrates—Part 1 : Determination of copper content—Iodine titration method and electrogravimetric method

VALID

Issued on:2025-10-31 | Implemented on:2026-05-01

$375.00 $364.00
GB/T 3884.3-2025 in English

Methods for chemical analysis of copper concentrates—Part 3:Determination of sulfur content—Gravimetric method and combustion-titration method

VALID

Issued on:2025-10-31 | Implemented on:2026-05-01

$255.00 $248.00
GB/T 42513.10-2025 in English

Methods for chemical analysis of nickel alloys—Part 10: Determination of trace elements content—Glow discharge mass spectrometry

VALID

Issued on:2025-10-31 | Implemented on:2026-05-01

$270.00 $262.00
GB/T 3884.16-2025 in English

Methods for chemical analysis of copper concentrates—Part 16：Determination of silicon dioxide content—K2SiF6 titrimetric method and gravimetric method

VALID

Issued on:2025-10-31 | Implemented on:2026-05-01

$255.00 $248.00
GB/T 3884.9-2025 in English

Methods for chemical analysis of copper concentrates—Part 9: Determination of arsenic ,antimony and bismuth contents

VALID

Issued on:2025-08-29 | Implemented on:2026-03-01

$315.00 $306.00
GB/T 3884.4-2025 in English

Methods for chemical analysis of copper concentrates—Part 4:Determination of lead,zinc,cadmium,nickel and magnesium oxide contents—Flame atomic absorption spectrometry method

VALID

Issued on:2025-08-29 | Implemented on:2026-03-01

$270.00 $262.00
GB/T 3884.7-2025 in English

Methods for chemical analysis of copper concentrates—Part 7：Determination of lead and zinc contents—Na2EDTA titration method

VALID

Issued on:2025-08-29 | Implemented on:2026-03-01

$270.00 $262.00
GB/T 42513.8-2025 in English

Methods for chemical analysis of nickel alloys—Part 8: Determination of niobium content—Inductively coupled plasma atomic emission spectrometric method

VALID

Issued on:2025-08-29 | Implemented on:2026-03-01

$270.00 $262.00

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