GB/T 22048-2008 Toys and children's products - Determination of phthalate plasticizers in polyvinyl chloride plastic

Contents

1  Scope   
2  Normative References   
3  Principle   
4  Reagents and Materials   
5  Instruments and Equipment   
6  Analysis Procedures   
7  Result Calculation   
8  Detection Lower Limit, Recovery Rate and Precision   
9  Test Report   
Appendix  A (Normative) Six Kinds of Phthalates Detected in This Standard   
Appendix  B (Informative) Installation Diagrams of Soxhlet Extractor and Solvent Extraction Contractor   
Appendix  C (Informative) Determination Examples of Six Kinds of Phthalates   
Appendix  D (Informative) Precision of this standard   


1  Scope

    This standard specifies gas chromatography / mass spectrum determination method for 6 phthalate plasticizers (see Appendix A for the names) including DBP, BBP, DEHP, DNOP, DINP and DIDP, and the detection of other phthalate may be conducted by reference to this standard.
    This standard is applicable to toys and children’s products containing polyvinyl chloride materials.

2  Normative References

    The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
    GB/T 6379.1  Accuracy (Trueness and Precision) of Measurement Methods and Results-Part 1: General Principles and Definitions (GB/T 6329.1-2004, ISO 5725-1: 1994, IDT)
    GB/T 6379.2  Accuracy (Trueness and Precision) of Measurement Methods and Results Part 2: Basic Method for the Determination of Repeatability and Reproducibility of a Standard Measurement Method(GB/T 6379.2-2004, ISO 5725-2: 1994, IDT)

3  Principle