金属硅来料检验取样方法.docVIP

瓦克金属硅 Silicon metal of Wacker 金属硅来料检验的取样方法 Sampling method of Incoming Quality Control (IQC) of silicon metal 索引 index 0 关键字 key words 1 目的 purposes 2 适用范围 range of application 3 责任 responsibilities 4 取样程序 sampling procedure 5修订记录 revising record 6有效期 validity 7 附件 attachment 0关键字 key words 金属硅，来料检验，取样，份样，总样 Silicon metal, IQC, sampling, increment, gross sample 1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。 This sampling method shall guide and regulate the choice of the samples from the incoming productions of the supplier in the silicon metal lab and confirm the common ground of the buyer and the seller on the sampling, as well as eliminate disputes. 2适用范围 range of application 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。 This sampling method is applied in Wacker, China, and is part of the technical terms of delivery. 3责任 responsibilities 3.1 瓦克负责样品选取，制作 Wacker shall take the responsibility of choosing and making samples. 3.2 供应商负责提供产品 Suppliers shall take the responsibility of providing products. 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 Name of the company signature data draughtsman Sun Yongsheng Wacker Chemie Shanghai Confirmer from the supplier 4 取样程序 sampling procedure 4.1 样品的选取 sampling 4.1.1 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。 The incoming materials should be kept in a group for every 25 tons (bags). If the quantity of the incoming materials is not an integral multiple of 25, sampling shall be carried out when the next group of incoming materials comes, adding up to 25 tons. The rest shall be done in the same manner. 4.2 样品制作procedure of making the samples 4.2.1 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RETSCH BB2000）将产品破碎成粒径小于等于3mm的粉末。 Put a sample into the jaw crusher (the crusher used in Wacker is RETSCH BB2000) and crushed it into powder with 3mm particle diameter each. 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。 Quartering the powder (10kg→