GB/T 39290-2020 in English

VALID

Determination the content of the aromatic amines in adhesives

Issued on:2020-11-19
Implemented on:2021-10-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $150.00
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Standard No:	GB/T 39290-2020
Document status:	VALID
Title in English:	Determination the content of the aromatic amines in adhesives
Title in Chinese:	胶粘剂中芳香胺含量的测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2020-11-19
Implemented on:	2021-10-01
ICS Classification:	83.180-Adhesives
Chinese Classification:	G38-Basic standards and general methods for adhesives
Professional Classification:	GB-National Standard
Related Keywords:	key detection technologies technical parameters aromatic amine content detection aromatic amine aromatic amine content aromatic amines new aromatic amines aromatic amine residue
Related Topics:	aromatic Aromatic amine Aroma content Fluorine Adhesive Adhesive Standard Amine Content Determination Standard Adhesive testing amine Aromatic amine iso 14362 Quantifier ion triarylamine Amine content Amine content in water Amine+ Aromatic amine detection Aromatic amine detection Aromatic amine detection How to detect aromatic amines Arylamine aromatic structure Amine version Amine + Edition Aromatic amine in English Aromatic amine substances Aromatic amine substances Amine content Adhesive products Quantifier ion Primary Aromatic Amines and Secondary Aromatic Amines primary aromatic amine Aromatic aroma How many specific aromatic amines are there? Detection of aromatic amines in water Migration of aromatic amines Detection of secondary aromatic amines Colloid content in water Naphthalene limit in adhesive Free of primary aromatic amines food aromatic amine Aromatic amines and primary aromatic amines GBT39290 GB/T 39290-2020 Aromatic amines are less soluble than arylamine salts Adhesive standards Standard adhesive Adhesive products Food aromatic amine content Adhesive chlorine content test Method for determination of amine value of adhesives Aromatic ammonia Amine viscosity measurement Detection of moisture content in adhesives in solid glue gb39290 Cadaverine content Aroma determination method Fragrance finishing test Method for determination of histamine content in urine

《GB/T 39290-2020胶粘剂中芳香胺含量的测定》由TC185（全国胶粘剂标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。

Introduction

Analysis of the core content of the standard

This standard uses gas chromatography-mass spectrometry to determine the content of 24 aromatic amines in adhesive products, including two types of detection indicators: aromatic amine content (before use) and aromatic amine residue (after curing).

Comparison of key detection technologies

Technical parameters	Aromatic amine content detection	Aromatic amine residue detection
Pretreatment method	Direct dissolution and ultrasonic extraction	Crushing and extraction after solidification
Calculation formula	Mass fraction (%)	Mass concentration (mg/kg)
Detection limit	3mg/kg (quantification limit 10mg/kg)

Instrument operation points

The standard recommends using a (5% phenyl)-methylpolysiloxane column and a three-step temperature program (60℃→210℃→230℃→250℃→280℃) to achieve effective separation of 24 aromatic amines. A typical case shows that 2,4-diaminotoluene (CAS 95-80-7) elutes at 12.3min, with characteristic ions m/z of 121/106/120.

Recommendations for the implementation of the standard

Laboratories should regularly verify the linearity of the standard curve (R²≥0.995)
It is recommended to make reagent blanks and parallel samples for each batch of samples
For high-viscosity samples, the ultrasonic time can be appropriately extended to 45 minutes
When the test value is close to the quantitative limit, the SIM mode should be used to improve the sensitivity

Background of the standard evolution

This standard responds to the restriction requirements of the REACH regulation on aromatic amines and establishes a unified test method for the Chinese adhesive industry for the first time. Compared with the EU EN 71-11 standard, the detection of 6 new aromatic amines such as 3,3'-dimethyl-4,4'-diaminodiphenylmethane has been added.

More samples: YD/T 3934-2021 GB 18306-2015 JJG 21-2008

Sample only — not a preview of GB/T 39290-2020

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