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12.5
Sample Preparation ................................................................................................................... 41
12.6
Test Procedure........................................................................................................................... 41
12.6.1
Extraction........................................................................................................................... 41
12.6.2
Color development and measurement .............................................................................. 41
12.6.3
Preparation of calibration curve......................................................................................... 42
12.6.4
Calculation of Analytical Results ....................................................................................... 42
12.6.5
Quality Control................................................................................................................... 43
12.7
Evaluation of the Method ........................................................................................................... 43
13
Determination of Mercury in Polymer Materials, Metallic Materials and Electronics by CV-AAS,
AFS, and ICP-AES/MS................................................................................................................................ 44
13.1
Scope, Application and Summary of Method............................................................................. 44
13.2
References, Normative References, Reference Methods and Reference Materials................. 44
13.3
Terms and Definitions ................................................................................................................ 45
13.4
Apparatus / Equipment and Materials........................................................................................ 46
13.5
Reagents .................................................................................................................................... 46
13.5.1
Contaminations:................................................................................................................. 46
13.6
Sample Preparation ................................................................................................................... 47
13.6.1
Test portion........................................................................................................................ 47
13.6.2
Wet Digestion (Digestion of metal materials and electronics)........................................... 47
13.6.3
Microwave digestion with HNO3/HBF4/H2O2................................................................... 48
13.7
Test Procedure........................................................................................................................... 48
13.7.1
Standard preparation / Stock solution preparation............................................................ 48
13.7.2
Calibration ......................................................................................................................... 48
13.7.3
Instrument performance .................................................................................................... 49
13.7.4
Instrument parameters ...................................................................................................... 49
13.7.5
Sample Analysis ................................................................................................................ 50
13.7.6
Calculation of Analytical Results ....................................................................................... 50
13.7.7
Test Report........................................................................................................................ 50
13.7.8
Quality Control................................................................................................................... 50
13.8
Evaluation of the Method ........................................................................................................... 51
13.9
Annex ......................................................................................................................................... 51
14
Determination of Lead and Cadmium in Polymer Materials by ICP-AES, ICP-MS, and AAS........ 52
14.1
Scope, Application and Summary of Method............................................................................. 52
14.2
References, Normative References, Reference Methods and Reference Materials................. 52
14.3
Terms and Definitions ................................................................................................................ 52
14.4
Apparatus/Equipment and Materials.......................................................................................... 53
14.4.1
Apparatus/Equipment ........................................................................................................ 53
14.5
Reagents .................................................................................................................................... 54
14.6
Sample Preparation ................................................................................................................... 55
14.6.1
Test portion........................................................................................................................ 55
14.6.2
Preparation of test solution................................................................................................ 55
14.6.3
Preparation of laboratory reagent blank ............................................................................ 57
14.7
Test Procedure........................................................................................................................... 57
14.7.1
Preparation of calibration solution ..................................................................................... 57
14.7.2
Development of calibration curve ...................................................................................... 57
14.7.3
Measurement of sample .................................................................................................... 58
14.7.4
Calculation ......................................................................................................................... 58
14.7.5
Test Report........................................................................................................................ 58
14.7.6
Quality Control................................................................................................................... 58
14.8
Evaluation of the Method ........................................................................................................... 59
14.9
Annex ......................................................................................................................................... 59
14.9.1
ICP/AES(-OES) ................................................................................................................. 59
14.9.2
ICP/MS .............................................................................................................................. 60
14.9.3
AAS.................................................................................................................................... 60
15
Determination of Lead and Cadmium in Metallic Materials by ICP-AES, ICP-MS, and AAS ........ 61
15.1
Scope, Application and Summary of Method............................................................................. 61
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12/6/2004
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