GB/T 21033-2025 Active National standards

GB/T 21033-2025 Determination of immunoglobulin IgG in feeds—High performance liquid chromatography

GB/T 21033-2025 Determination of immunoglobulin IgG in feeds—High performance liquid chromatography

Publish Date: 2025-12-31 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 21033-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Animal and poultry feed and additives

ICS Name: \nFeeds

Publish Date: 2025-12-31

Implement Date: 2026-07-01

Pages: 12 pages

Scope

This document describes a high-performance liquid chromatography method for determining immunoglobulin IgG in feed.
This document is suitable for determining immunoglobulin IgG (from pigs or cattle) in compound feed, concentrated feed, and feed raw materials containing IgG, with a quantification limit of 100 mg/kg for immunoglobulin IgG.

Development Information

Word Count: 13 Thousand words Pages: 12 pages

Replace the following standards

GB/T 21033-2007 Determination of immunoglobulin in feeds—High-performance liquid chromatography

Referenced Standards

GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 20195-2006 Animal feeding stuffs—Preparation of test samples GB/T 20195-2024 Animal feed—Preparation of test samples

Related Standards

GB/T 5917-1986 Replaced

GB/T 5917-1986 Determination for formula feed particle size

Publish Date: 1986-03-05

GB/T 6435-1986 Replaced

GB/T 6435-1986 Method for the determination of moisture in feedstuffs

Publish Date: 1986-05-29

GB 7294-1987 Replaced

GB 7294-1987 Feed additive—Vitamin K3 (menadione sodium bisulfite)

Publish Date: 1987-02-25

GB 7298-1987 Replaced

GB 7298-1987 Feed additive—Vitamin B6

Publish Date: 1987-02-25

GB 7299-1987 Replaced

GB 7299-1987 Feed additive—Dextro calcium pantothenate

Publish Date: 1987-02-25

GB 7300-1987 Replaced

GB 7300-1987 Feed additive—Nicotinic acid

Publish Date: 1987-02-25