GB/T 28019-2011 in English

VALID

Adornment - Determination of Chromium(Ⅵ) - 1, 5-Diphenylcarbohydrazide spectrophotometric method

Issued on:2011-10-31
Implemented on:2012-02-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $50.00
$49.00

Standard No:	GB/T 28019-2011
Document status:	VALID
Title in English:	Adornment - Determination of Chromium(Ⅵ) - 1, 5-Diphenylcarbohydrazide spectrophotometric method
Title in Chinese:	饰品六价铬的测定二苯碳酰二肼分光光度法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2011-10-31
Implemented on:	2012-02-01
ICS Classification:	39.060-Jewellery
Chinese Classification:	Y88-Artistic handicrafts
Professional Classification:	GB-National Standard
Related Keywords:	5-diphenylcarbohydrazide spectrophotometric method 1 5-diphenylcarbohydrazide spectrophotometric method spectrophotometric method chromium
Related Topics:	Hexavalent chromium diphenol dihydrazide gb/t28019 Resorcinol Spectrophotometry GB/T 28019 GB/T 28019. gb/t+28019 Malonylation modification diselenodipropionyl hydrazide GB/T 28019-2011 GB 28019 Hexavalent chromium in German gb28019 Spectrophotometric detection of chromium Diphenylcarbazide Determination of hexavalent chromium Dinaphthylcarbohydrazide Determination of hexavalent chromium Spectroscopic Determination of Hexavalent Chromium in Water Spectroscopic Determination of Hexavalent Chromium in Water gb+28019 Determination of hexavalent chromium Total Organic Carbon Spectrophotometry Determination of hexavalent chromium in water by spectrophotometry point luminosity Spectrophotometric method for determination of hexavalent chromium in water Hexavalent chromium series carbon photometer Benzene Spectrophotometer Determination of hexavalent chromium diphenyl Spectrophotometry and Total Organic Carbon Determination of hexavalent chromium in water diphenyl Hexavalent chromium Diphenylhydrazine ethanol Hexavalent chromium Solution Hexavalent Chromium Spectrophotometric Total Organic Carbon Spectrophotometric method for the determination of trivalent chromium Hexavalent Valence chromium Hydrazine Hexavalent Chromium Water Quality Determination of Hexavalent Chromium by Ultraviolet Spectrophotometry Hexavalent chromium concentration Hexavalent chromium and hydrazine Hexavalent Chromium UV Spectrum Determination of hexavalent chromium Malonylation modification Hexavalent Chromium Determination of Benzene diphenylhydrazine spectrophotometry Determination of hexavalent cobalt in water by spectrophotometry Resorcinol spectrophotometry Total Organic Carbon Spectrophotometry Determination of Hexavalent Chromium by Ultraviolet Spectrophotometry Benzene Spectrophotometry Benzene standard spectrophotometry Spectrophotometric Determination of Hexavalent Chromium Determination of hexavalent chromium in water by spectrophotometry Diphenylsemicarbazide hexavalent chromium Determination of hexavalent chromium diphenylcarbazide spectrophotometric method Diphenylcarbahydrazide hexavalent chromium Benzene Determination Photometer GB/T28019-2011 Photometric Determination of Hexavalent Chromium in Water Carbon benzene Spectrophotometric Determination of Light Carbon gbt 28019 Determination of hexavalent chromium with diphenylsemicarbazide Diphenylcarbahydrazide hexavalent chromium Spectrophotometric divalent cobalt Secondary jewelry spectrophotometric carbon Be hydrazine UV spectrophotometry of hexavalent chromium in water Uranyl Spectrophotometry Hexavalent Chromium Spectrum monovalent hydrazine ion GBT28019 GB/T 28019-2011 Hexavalent chromium diphenylcarbazide spectrophotometry diphenylcarbazide spectrophotometry Steps for determination of hexavalent chromium using diphenylcarbamate spectrophotometry Diphenylcarbazide alias Determination of chromic acid mist by diphenylcarbazide chromic acid mist spectrophotometry in water quality Pretreatment for determination of hexavalent chromium by dpc spectrophotometry Experiment on determination of chromium ion concentration in water samples using diphenylcarbazide spectrophotometry Precautions for determination of hexavalent chromium by diphenylcarbazide spectrophotometry Principle of Cr determination by diphenylcarbazide spectrophotometry Chromic acid mist diphenylcarbazide spectrophotometry Hexavalent Chromium UV Spectrophotometry What are the analytical methods for carbohydrazide? National standard test method for divalent copper ions - spectrophotometry Test method for diphenyl acetyl disulfide The second method of measuring chromium What are the national standard determination methods for carbohydrazide? Spectrophotometric determination method of tetravalent vanadium Chromium determination Spectrophotometric determination of chromium Carbohydrazide determination method Carbohydrazide purity assay method Determination of divalent copper ions Determination method of carbohydrazide content Preparation method of diphenylcarbohydrazide

《GB/T 28019-2011饰品六价铬的测定二苯碳酰二肼分光光度法》由TC256（全国首饰标准化技术委员会）归口，主管部门为中国轻工业联合会。

This standard specifies the 1,5-diphenylcarbohydrazide spectrophotometric method for the determination of chromium (VI).
This standard is applicable to the determination of chromium (VI) in adornments.

Foreword I
1 Scope
2 Principle
3 Reagents and Materials
4 Apparatus
5 Analysis Procedures
6 Expression of Results
7 Test Report

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