GB 31604.34-2016 Translated English of Chinese Standard. GB31604.34-2016: National Food Safety Standard - Food Contact Materials and Products - Determination of Lead and Its Migrationhttps://www.chinesestandard.net, 2015 M03 18 - 16 pages This Standard specifies the graphite furnace atomic absorption spectrometric method, inductively coupled plasma mass spectrometric method, inductively coupled plasma atomic emission spectrometric method and flame atomic absorption spectrometric method for the determination of lead in paper products and cork stoppers and lead migration after being soaked in the food simulants. |
Contents
Foreword | 4 |
Application Scope | 5 |
Apparatus | 6 |
Analytical Procedure | 7 |
Accuracy | 8 |
Reagents and Materials | 9 |
Apparatus | 10 |
Expression of Analytical Results | 11 |
Reagents and Materials | 12 |
Apparatus | 13 |
Common terms and phrases
1000 mL volumetric absorbance by comparing Absorption Spectrometric Method ammonium dihydrogen phosphate amount of nitric analysis of hygienic Analytical balance Apparatus reference conditions arithmetic mean atomic absorption spectrometer atomic emission spectrometric cadmium coupled plasma mass decided in accordance Determination of Lead determine the absorbance dihydrogen phosphate solution emission spectrometric method flame atomic absorption food contact materials food simulant furnace atomic absorption g accurate GB/T Graphite Furnace Atomic hollow cathode lamp hygienic standard inductively coupled plasma intermediate solution 1.00 lead migration Lead standard intermediate lead standard serial Lead standard stock materials and products measure 50 mL Method for analysis Method See GB mL of lead mL of nitric mL volumetric flask nitric acid solution palladium nitrate Plasma Mass Spectrometric Procedure for Graphite reagents Reference Temperature Rise sample solution scale and mix SN/T solution 1.00 mg/L specified in GB standard curve standard intermediate solution standard serial solution standard stock solution Temperature Rise Procedure