GB/T 38409-2019

Active

Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone（NMP) and N-ethyl-2-pyrrolidone (NEP) content

皮革化学试验 N-甲基吡咯烷酮（NMP）和N-乙基吡咯烷酮（NEP）的测定

Standard Type

GBT

ICS

59.140.30

CCS

Y46

Status

Active

Issue Date

2019-12-31

Implementation

2020-07-01

Centralized Committee

中国轻工业联合会

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 method for determining the content of N-methyl-2-pyrrolidone (NMP) and N-ethyl-2-pyrrolidone (NEP) in leather materials. It is applied in the leather and footwear industries for quality control and regulatory compliance, particularly to monitor residual solvents that may pose health risks during manufacturing or consumer use. The test is relevant for finished leather goods, such as shoes, bags, and upholstery, where solvent residues from processing must be limited.

Related Standards

NY/T 1173-2006 Technical specifications for testing of animal fur GB/T 17928-1999 Leather--Determination of the stitch tear resistance GB/T 4689.20-1996 Leather--Determination of adhesion of finish GB/T 14789-1993 Fur--Raw mink skin GB/T 14788-1993 Fur--Raccoon dog skins GB/T 14787-1993 Fur--Yellow weasel skins GB/T 14629.1-1993 Fur--Cheki and lamb skin GB/T 14629.4-1993 Fur--Raw goatling skin

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.