Standard No.:	GB/T 21242-2007
English Name:	Methods of qualitative determination of prohibitive and limitative reagent of fireworks and firecrackers
Chinese Name:	烟花爆竹 禁限用药剂定性检测方法
Chinese Classification:	Y88    Artistic handicrafts
Professional Classification:	GB    National Standard
ICS Classification:	71.100.30 71.100.30    Explosives. Pyrotechnics and fireworks 71.100.30
Issued by:	AQSIQ; SAC
Issued on:	2007-12-05
Implemented on:	2008-9-1
Status:	superseded
Superseded by:	GB/T 21242-2019
Superseded on:	2020-3-1
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	60.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the methods of qualitative determination of chlorate, lead compound, arsenic compound, mercury compound, phosphorus, magnesium powder (excluding aluminum-magnesium alloy powder and modified magnesium powder), gallic acid, hexachlorobenzene and picric acid. This standard is applicable to the methods of qualitative determination of chlorate, lead compound, arsenic compound, mercury compound, phosphorus, magnesium powder (excluding aluminum-magnesium alloy powder and improved magnesium powder), gallic acid, hexachlorobenzene and picric acid in the mixed reagent of fireworks and firecrackers. 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. GB/T 6682 Water for Laboratory Use; Specifications (GB/T 6682-1992, neq ISO 3696: 1987) GB/T 15813-1995 Formed Composition for Fireworks - Sample Separating and Crushing 3 Instruments and Devices 3.1 Balance: with accuracy of 0.01g. 3.2 Thermostat water bath: with accuracy of ±2℃. 4 Specimen Preparation

Foreword i 1 Scope 2 Normative References 3 Instruments and Devices 4 Specimen Preparation 5 Methods of Qualitative Determination of Chlorate 6 Methods of Qualitative Determination of Lead Compound 7 Methods of Qualitative Determination of Arsenic Compound 8 Methods of Qualitative Determination of Mercury Compound 9 Methods of Qualitative Determination of Phosphorus 10 Methods of Qualitative Determination of Magnesium Powder 11 Methods of Qualitative Determination of Gallic Acid 12 Methods of Qualitative Determination of Hexachlorobenzene 13 Methods of Qualitative Determination of Picric Acid