GB/T 8943.4-2008 Abolished National standards

GB/T 8943.4-2008 Paper,boaed and pulp—Determination of calcium and magnesium

GB/T 8943.4-2008 Paper,boaed and pulp—Determination of calcium and magnesium

Publish Date: 2008-01-04 Implement Date: 2008-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 8943.4-2008

Standard Type: National standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Paper making

ICS Name: Paper and cardboard

Publish Date: 2008-01-04

Implement Date: 2008-09-01

Pages: 12 pages

Scope

This part of GB/T 8943 specifies two methods, namely EDTA complexometry (Method A) and flame atomic absorption spectrometry (Method B), for determining the calcium and magnesium content in paper, cardboard, and pulp. When arbitrating, the flame atomic absorption spectrometry (Method B) should be used.

Development Information

Word Count: 15 Thousand words Pages: 12 pages

Same series standard

GB/T 8943.1-2008 Paper,board and pulp—Determination of copper content GB/T 8943.2-2008 Paper,board and pulps—Determination of iron GB/T 8943.3-2008 Paper,board and pulp—Determination of manganese

Replace the following standards

GB/T 8943.4-1988

Referenced Standards

GB/T 450-2002 Paper and board—Sampling for testing GB/T 450-2008 Paper and board—Sampling for testing and identification of machine and cross direction,wire side and felt side 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 740-2003 Pulps—Sampling for testing GB/T 741-2003 Pulps—Determination of moisture content GB/T 742-2003 Paper,board and pulp—Determination of residue(ash) on ignition at 900℃ GB/T 742-2008 Fibrous raw material,pulp,paper and board—Determination of ash GB/T 742-2018 Fibrous raw material,pulp,paper and board—Determination of residue(ash)on ignition at 575 ℃ and 900 ℃

Adopt standards

ISO 777:2001

Related Standards

GB/T 1525-1979 Replaced

GB/T 1525-1979 Drawing paper

Publish Date: 1979-03-05

GB/T 2675-1981 Replaced

GB/T 2675-1981 Paper for drawing land maps

Publish Date: 1981-06-06

GB/T 2676-1981 Replaced

GB/T 2676-1981 Paper for drawing ocean maps

Publish Date: 1981-06-06

GB/T 4687-1984 Replaced

GB/T 4687-1984 Paper, board, pulp terms (Ⅰ)

Publish Date: 1984-09-29

GB/T 4873-1985 Active

GB/T 4873-1985 Continuous forms used for information processing—Sizes and feed holes

Publish Date: 1985-01-17

GB/T 5034-1985 Replaced

GB/T 5034-1985 Corrugated fibreboard for export products

Publish Date: 1985-04-06