GB/T 40323-2021

Active

Determination of octamethylcyclotetrasiloxane(D4), decamethylcyclopentasiloxane(D5) and dodecamethylcyclohexasiloxane(D6) in textile dyeing and finishing auxiliaries

纺织染整助剂产品中八甲基环四硅氧烷(D4)、十甲基环五硅氧烷(D5)和十二甲基环六硅氧烷(D6)的测定

Standard Type
GBT
ICS
71.100.40
CCS
G 70
Status
Active
Issue Date
2021-08-20
Implementation
2022-03-01
Centralized Committee
中国石油和化学工业联合会
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies a gas chromatography-mass spectrometry (GC-MS) method for quantifying the cyclic siloxanes D4, D5, and D6 in textile dyeing and finishing auxiliaries. It is applied by chemical testing laboratories and textile manufacturers to ensure auxiliary products comply with environmental and safety regulations limiting these volatile methyl siloxanes. The standard supports regulatory enforcement and quality control in the textile industry, particularly for products used in fabric finishing processes.

Related Standards

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.