Zhejiang lead product technic co . , ltd hereinafter referred as lead is invested and established by twelve shareholders including zhejiang inspection and quarantine technic center etc . it specializes in the testing of safety , sanitation , environment - friendliness , and quality items on foodstuffs , textile products , mechanical appliances , electrical appliances , chemicals and minerals etc . and it also provides services such as accreditation , quality assurance , manufacturing control technology and other consultation . lead lies in the center of zhejiang provincehangzhou , which enjoys the most rapid economic growth and is also the main production area of export foodstuffs , textile products , mechanical and electrical products 食品纺织品机械电器化工矿产等产品涉及安全卫生环保等项目的实验室检测，包括蔬菜水果茶叶肉禽蛋罐头食品水产品乳制品蜂产品中农药残留兽药残留添加剂重金属及微量元素等检测服装面料皮革制品玩具中偶氮染料重金属甲醛六价铬以及耐洗磨擦色牢度成分等理化指标的检测家电电动工具灯具低压电器的安全性能等的测试。
The items carried out in this course including uv - vis analysis of dyes and organic compounds , determination of cr6 + in aqueous solution , quantitative analysis of inorganic phosphate , quantitative analysis of fe2 + , quantitative analysis of amino acid , application of atomic absorption , conductivity titration , acid - base titration , application of liquid chromatography , anionic chromatography , cationic chromatography , total organic carbon analysis , determination of chlorophyll and application of infrared spectrometer 实验项目包括染料色素及有机物的紫外光可见光谱分析、水中六价铬含量测定、无机磷酸盐的比色定量、试样中铁的比色定量、胺基酸的比色定量、原子吸收光谱法的应用、电导滴定方法的应用、酸减滴定法的应用、液相层析方法的应用、阴离子层析、阳离子层析，气体层析、总有机碳分析、叶绿素含量测定及红外线光谱法应用。
For the purpose of industrial manufacture , the practical and comprehensive system of evaluation criterion was made for the chromium electrodeposited coating ' s physical and chemical properties . besides , through parallel analysis , the indexes of trivalent chromium and hexavalent chromium electrodeposited coating were contrasted 本文还从工业生产角度山发，对镀铬层理化特性提出了较为全面而实用的评价指标体系，并对三价铬镀铬层与标准六价铬镀铬层的各项性能指标进行了对比分析。
European union has legislated relevant environmental protection laws and regulations on e - waste management . for example , weee instruction : full name e - waste equipment instruction : requires that manufacturers are responsible for recycling ; rohs instruction : full name the restriction of the use of certain hazardous substances in electrical and electronic equipment requires after july 1 , 2005 , electronic products are not allowed to have pb , hg , cd , cr , pbbbs , and pbdes these six hazardous materials 欧盟各国已建立相关环保法律和法规来促进和规范电子废弃物管理，如： weee指令：全称是废弃电气电子设备指令:要求生产商负责回收处理; rohs指令：全称是电气电子设备中限制使用某些有害物质指令:要求2006年7月1日以后电气电子产品不含有铅汞镉六价铬多溴联苯多溴二苯醚等六种有害物质。
