金属硅来料检验的取样方法

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1、瓦克金属硅SiliconmetalofWacker金属硅来料检验的取样方法SamplingmethodofIncomingQualityControl(IQC)ofsiliconmetal索引index0关键字keywords1目的purposes2适用范围rangeofapplication3责任responsibilities4取样程序samplingprocedure5修订记录revisingrecord6有效期validity7附件attachment0关键字keywords金属硅，来料检验，取样，

2、份样，总样Siliconmetal,IQC,sampling,increment,grosssample1目的purposes本取样方法指导和规范瓦克金属硅实验室对供应商来料产品的样品选取操作，同时也为了明确合同买卖双方在产品取样上的共识，消除争议。Thissamplingmethodshallguideandregulatethechoiceofthesamplesfromtheincomingproductionsofthesupplierinthesiliconmetallabandconfirmth

3、ecommongroundofthebuyerandtheselleronthesampling,aswellaseliminatedisputes.2适用范围rangeofapplication本金属硅取样方法在瓦克中国区有效，并作为买卖双方签署之交货协议的一部分。ThissamplingmethodisappliedinWacker,China,andispartofthetechnicaltermsofdelivery.3责任responsibilities3.1瓦克负责样品选取，制作Wackersh

4、alltaketheresponsibilityofchoosingandmakingsamples.3.2供应商负责提供产品Suppliersshalltaketheresponsibilityofprovidingproducts.公司名称签字日期瓦克起草人孙永胜瓦克化学贸易（上海）有限公司供应商确认人NameofthecompanysignaturedatadraughtsmanSunYongshengWackerChemieShanghaiConfirmerfromthesupplier4取样程序s

5、amplingprocedure4.1样品的选取sampling4.1.1供应商的来料以25吨（袋）为一个组，一次来料如果不是25吨（袋）的整数倍，余下产品待下批来料后配成25吨后方再取样，依此类推。Theincomingmaterialsshouldbekeptinagroupforevery25tons(bags).Ifthequantityoftheincomingmaterialsisnotanintegralmultipleof25,samplingshallbecarriedoutwhenthe

6、nextgroupofincomingmaterialscomes,addingupto25tons.Therestshallbedoneinthesamemanner.4.2样品制作procedureofmakingthesamples4.2.1选取其中一份样品投入颚式破碎机中（瓦克选择的破碎机为RETSCHBB2000）将产品破碎成粒径小于等于3mm的粉末。Putasampleintothejawcrusher(thecrusherusedinWackerisRETSCHBB2000)andcrushe

7、ditintopowderwith3mmparticlediametereach.4.2.2对破碎好的产品用四分法进行缩分（10kg→5kg→2.5kg→1.25kg→0.625kg）最终得到0.625KG的样品。Quarteringthepowder(10kg→5kg→2.5kg→1.25kg→0.625kg)andgetsamplesof0.625KGeach.4.2.3依此类推，将余下的4份样品做4.2.1和4.2.2的操作，共得到5个0.625KG的样品。Therestshallbedoneinth

8、esameprocedureof4.2.1and4.2.2andget5samplesof0.625KGeach.4.2.4将5个0.625KG的样品混合均匀得到总重为3.125KG的样品，我们叫它为总样。Mix5samplesof0.625KGeachtoagrosssampleof3.125KG.4.2.5将总样用较小的缩分器进行缩分（3.125kg→1.563kg→0.782kg→0.391kg→0.196