GB/T 35761-2017 in English

VALID

Determination methods of heavy metal element content in printing ink or painting of fireworks and firecracker

Issued on:-
Implemented on:2018-07-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $160.00
$156.00

Standard No:	GB/T 35761-2017
Document status:	VALID
Title in English:	Determination methods of heavy metal element content in printing ink or painting of fireworks and firecracker
Title in Chinese:	烟花爆竹用油墨（漆）中重金属含量的测试方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Implemented on:	2018-07-01
ICS Classification:	71.100.30-Explosives. Pyrotechnics
Chinese Classification:	Y88-Artistic handicrafts
Professional Classification:	GB-National Standard
Related Keywords:	heavy metal content heavy metal element content heavy metal elements application test indicators standard name test method metal
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《GB/T 35761-2017烟花爆竹用油墨（漆）中重金属含量的测试方法》由TC149（全国烟花爆竹标准化技术委员会）归口，主管部门为中国轻工业联合会。

Introduction

Interpretation of the test method for heavy metal content in ink (paint) for fireworks and firecrackers

Project	Test object	Scope of application	Test indicators
Standard name	Test method for heavy metal content in ink (paint) for fireworks and firecrackers	Applicable to special inks and paint products for the fireworks and firecrackers industry	Five heavy metal elements: lead, cadmium, mercury, arsenic and chromium
Test principle	Inductively coupled plasma atomic emission spectrometry (ICP-AES)	Microwave digestion pretreatment	High sensitivity, low interference

Standard formulation background and technology evolution analysis

Background:With increasingly stringent environmental protection requirements, the fireworks and firecrackers industry has put forward higher requirements for the control of heavy metal content in inks. This standard aims to standardize the detection method and ensure product quality and safety.

Technology evolution:From traditional chemical analysis to modern spectroscopy technology, ICP-AES has become the preferred solution due to its high sensitivity and ability to simultaneously determine multiple elements.

Explanation of professional terms and practical applications

Working principle of microwave digestion system

Steps	Heating time/min	Insulation and pressure holding time/min	Temperature/℃
Heating 1	5	5	120
Heating 2	10	7	160

Implementation recommendations and precautions

Instrument selection: It is recommended to use high-precision ICP-AES equipment to ensure that the working conditions in Appendix B are met.

Sample processing: Pay attention to temperature control and time management during the digestion process to avoid sample loss or cross contamination.

Summary

GB/T 35761—2017 standard provides a scientific basis and operating guide for the detection of heavy metal content in ink (paint) for fireworks and firecrackers, which is of great significance for ensuring product quality and environmental protection. It is recommended that relevant companies strictly follow the standard requirements for sample preparation, digestion treatment and instrument calibration to ensure the accuracy and reliability of the test results.

More samples: JJG 21-2008 JGJ 94-2008 YD/T 3934-2021

Sample only — not a preview of GB/T 35761-2017

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