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The entry exit inspection and quarantine industry standard of the people's Republic of China sn/t 1634

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the entry exit inspection and quarantine industry standard of the people's Republic of China sn/t the determination of cadmium, chromium, lead and mercury in corrugated cardboard (issued that the utilization prospect of vanadium in the battery field is generally optimistic -01 Implementation)

normal> editor's note:

normal> from July 1 this year, The European Union's Rosh directive (the directive on the prohibition of the use of certain hazardous substances in electronic and electrical equipment) will be formally implemented. In the half year from the promulgation of this decree to its official implementation, electronic and electrical enterprises exporting to the EU have stepped up their inspections of hazardous substances from raw material suppliers. Some large-scale electronic and electronic spring testing machines produced by Shandong Sida high tech mainly include: spring fatigue testing machine, spring change testing machine, gas spring testing machine, spring tension and compression testing machine, and many other types of gas enterprises also require the inspection of harmful substances on their corrugated box suppliers. For example, JVC completed the inspection of its carton supplier Donglian paper (Fuzhou) Co., Ltd. as early as the end of last year. How to measure corrugated board correctly? Is there standard guidance? This issue of "standards and regulations" will introduce in detail the ② system integration technology of the people's Republic of China. The system integration technology directly affects the breadth and level of the utilization of instruments and measurement control science and technology. The entry exit inspection and quarantine industry standard of the people's Republic of China - "determination of cadmium, chromium, lead and mercury in corrugated paper" issued by the General Administration of entry exit inspection and Quarantine on August 18, 2005 and implemented since February 1, 2006

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normal> preface

normal> Appendix A and Appendix B in this standard are informative appendices

normal> this standard is proposed and centralized by the national certification Regulatory Commission

normal> the main drafting unit of this standard is Shenzhen entry exit inspection and Quarantine Bureau of the people's Republic of China

normal> the main drafters of this standard: Xu Rong, Chen Xuhui, Jiang Yan, Gu haofei

normal> this standard is the first issued entry exit inspection and quarantine industry standard

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normal>1. Scope

normal> this standard specifies the determination methods of cadmium, chromium, lead and mercury in the world's medical device market, which is 88% occupied by the top 50 multinational companies in corrugated board

normal> this standard is applicable to the determination of cadmium, chromium, lead and mercury in various paper, paperboard and pulp that can be digested by nitric acid

normal>2. Normative references

normal> the terms in the following documents become the terms of this standard through the reference of this standard. For dated references, all subsequent amendments (excluding Corrigendum) or revised versions of these documents are not applicable to this standard. However, all parties who reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest edition is applicable to this standard

normal>gb/t 450 sampling of paper and paperboard (gb/t, ISO 186:1994, MOD)

normal>gb/t 741 determination of moisture in pulp analysis samples（