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GB/T 21995-2008Determnation of nitroimidazoles in feeds - Liquid chromatography-tandem mass spectrometry (English PDF)

饲料中硝基咪唑类药物的测定液相色谱串联质谱法

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

June 30, 2025

Implementation date

January 1, 2026

Scope

GB/T 21995-2008 is the English-translated version of 饲料中硝基咪唑类药物的测定液相色谱串联质谱法.

GB/T 21995-2008 is the Chinese standard "Determnation of nitroimidazoles in feeds - Liquid chromatography-tandem mass spectrometry". It was issued by State Administration for Market Regulation, China National Standardization Administration. Issued on 2025-06-30, in force from 2026-01-01.

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Document preview — GB/T 21995-2008

National Standard of the People's Republic of China

ICS: 65.120
Classification: B46

Issued by: State Administration for Market Regulation, China National Standardization Administration

[Preview only]
1 Scope
2 Normative references
3 Terms and definitions
3.1 Method summary
3.2 Apparatus
4 Sampling safety
4.1 Requirements for material
5 Sampling techniques
6 Inspection on net content in quantitative package of pesticides
7 Packaging, transportation and storage of samples
8 Inspection rules

1 Foreword

GB/T 21995-2008 was issued by State Administration for Market Regulation, China National Standardization Administration on 30 June 2025.

The GB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 8 pages in English translation.

2 Scope Preview

GB/T 21995-2008 falls under ICS 65.120, in the field of agriculture.

This catalogue holds 3,056 other GB/T standards in that field.

In this catalogue, GB/T standards carry edition years from 1963 to 2026.

3 About this standard

Sector: National Standard (Recommended)

Issued by: State Administration for Market Regulation, China National Standardization Administration

English translation: about 8 pages (approximate)

Chinese original: about 11,137 characters

4 Related standards

Other editions:

GB/T 21995-2025 (later edition)

Standards on related subjects:

GB/T 22262-2025 — Determination of clopidol in feeds

GB/T 22259-2025 — Determination of oxytetracycline in feeds

GB 22549-2017 — Feed additive-Dicalcium phosphate

GB/T 13088-2026 — Determination of chromium in feeds

GB/T 21996-2008 — Feed additive -- Ferric glycine complex

5 Classification and status

International classification (ICS): 65.120

Chinese Standard Classification (CCS): B 46

Prefix GB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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