Detail of GB/T 5009.11-2003

Introduction of GB/T 5009.11-2003

1 Scope This Standard specifies various methods for the determination of total arsenic in foods. This Standard is applicable to the determination of total arsenic in various foods. Detection limit of this method: hydride atomic fluorescence photometry: 0.01mg/kg, with linear range of 0ng/mL to 200ng/mL; silver salt method: 0.2mg/kg; gutzeit method: 0.25mg/kg; borohydride reduction colorimetry: 0.05mg/kg.

Contents of GB/T 5009.11-2003

Contents Foreword I 1 Scope METHOD 1 Hydride Atomic Fluorescence Photometry 2 Principle 3 Reagents 4 Instruments 5 Analytical Procedures 6 Result Calculation 7 Precision 8 Accuracy METHOD 2 Silver Salt Method 9 Principle 10 Reagents 11 Instruments 12 Sample Treatment 13 Analytical Procedures 14 Result calculation 15 Precision METHOD 3 Gutzeit Method 16 Principle 17 Reagents 18 Instruments 19 Sample Digestion 20 Analytical Procedures 21 Result Calculation 22 Precision METHOD 4 Borohydride Reduction Colorimetry 23 Principle 24 Reagents 25 Instruments 26 Analytical Procedures 27 Result Calculation 28 Precision Determination of Abio-arsenic 29 Scope METHOD 1 Hydride Atomic Fluorescence Photometry 30 Principle 31 Reagents 32 Instruments 33 Analytical Procedures 34 Result Calculation METHOD 2 Silver Salt Method 35 Principle 36 Reagents 37 Instruments 38 Analytical Procedures 39 Result Calculation 40 Precision