GB/T 745-2003

Active

Pulps--Determination of pentosan content

纸浆多戊糖的测定

Standard Type

GBT

ICS

85.040

CCS

Y31

Status

Active

Issue Date

2003-08-25

Implementation

2003-12-01

Centralized Committee

中国轻工业联合会

Issuing Authority

中华人民共和国国家质量监督检验检疫总局

Application Summary AI generated

This standard specifies the method for determining the pentosan content in pulps, using the furfural distillation and photometric or titrimetric analysis. It is applied in the pulp and paper industry for quality control of raw materials and finished products, particularly in evaluating hemicellulose levels in chemical pulps. The method is relevant for testing in laboratories and production settings to assess pulp yield, bleachability, and papermaking properties.

Related Standards

GB/T 747-2003 Pulps--Determination of acid-insoluble lignin GB/T 743-2003 Pulps--Determination of ether solubles GB/T 740-2003 Pulps--Sampling for testing GB/T 3332-2004 Pulps--Determination of beatingdegree(Schopper-Riegler method) GB/T 5399-2004 Pulps--Determination of stock concentration GB/T 5401-2004 Pulps--Determination of alkali solubility GB/T 744-2004 Pulps--Determination of alkali resistance GB/T 1546-2004 Pulps--Determination of Kappa number

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.