GB/T 46182-2025 Active National standards

GB/T 46182-2025 Paper and pulp—Deinkability test for printed paper products

GB/T 46182-2025 Paper and pulp—Deinkability test for printed paper products

Publish Date: 2025-08-29 Implement Date: 2026-03-01 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 46182-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Paper making

ICS Name: Comprehensive Paper-making Technology

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 24 pages

Scope

This document describes the experimental method of delignification using a single-stage flotation and fatty acid capture agents under alkaline conditions in the laboratory, as well as the method of characterizing the delignification effect.
This document is applicable to the delignification test of various printing paper products.

Development Information

Word Count: 31 Thousand words Pages: 24 pages

Referenced Standards

GB/T 462-2003 Paper and board—Determination of moisture content GB/T 462-2008 Paper,board and pulp—Determination of moisture content of analytical sample GB/T 462-2023 Paper, board and pulps—Determination of moisture content of analytical sample GB/T 1914-2017 Chemical analytical filter paper GB/T 5399-2004 Pulps—Determination of stock concentration GB/T 10739-2002 Paper, board and pulps—Standard atmosphere for conditioning and testing GB/T 10739-2023 Paper,board and pulps—Standard atmosphere for conditioning and testing GB/T 21245-2007 Paper and board—Determination of color(C/2° diffuse reflectance method) GB/T 22877-2008 Paper,board and pulps—Determination of residue(ash)on ignition at 525 ℃ GB/T 22877-2023 Paper, board, pulps and cellulose nanomaterials—Determination of residue (ash content) on ignition at 525 ℃ GB/T 24324-2009 Pulps—Preparation of laboratory sheets for physical testing—Conventional sheet-former method GB/T 24326-2009 Pulps—Preparation of laboratory sheets for physical testing—Rapid-K●then method GB/T 40277-2021 Paper,board and pulps—Measurement of diffuse blue reflectance factor(ISO brightness)—Indoor daylight conditions GB/T 43828.1-2024 Graphic technology—Prepress digital data exchange—Colour targets for input scanner calibration—Part 1:Colour targets for input scanner calibration ISO 2469:2024

Adopt standards

ISO 21993:2020

Related Standards

GB/T 12032-1989 Replaced

GB/T 12032-1989 Paper and board—Preparation of a offset print for test gloss

Publish Date: 1989-12-27

GB/T 2677.1-1993 Active

GB/T 2677.1-1993 Fibrous raw material of sampling for analysis

Publish Date: 1993-03-01

GB/T 2677.2-1993 Replaced

GB/T 2677.2-1993 Fibrous raw material—Determination of moisture content

Publish Date: 1993-03-01

GB/T 2677.3-1993 Replaced

GB/T 2677.3-1993 Fibrous raw material—Determination of ash

Publish Date: 1993-03-01

GB/T 2677.4-1993 Active

GB/T 2677.4-1993 Fibrous raw material—Determination of water solubility

Publish Date: 1993-03-01

GB/T 2677.5-1993 Active

GB/T 2677.5-1993 Fibrous raw material—Determination of one percent sodium hydroxide solubility

Publish Date: 1993-03-01