Arsenic(4)

The main product of company now is highly pur arsenic with 99.9999% and 99.9999% of purity ; compare with other fellow traders , product quality standards ,we control the quality grade , namely the content of impurity elements such as Na , Mg , Al , P, K , Ca , Cr , Fe , Ni , Cu ,Zn,Se , Ag , Sb , pb , and Bi more strictly , effectively and accu rately .

We have carried out parellel abroad with ICP-MS-X7 model mass spectrometer ; for effectively proving the high quality of our product , we have even sent our product to SIHVA Corporation of USA for further inspection with GD-MS detect or and the detection result showed our detector is accurate and reliable ; at the measurement , we also woke up to our shortages so as to learn from other ,s strong points to offset our weakness .

With aqual , even lower impurity element content , we believe and be proud that our product will certainly lay a solid foundation to your prodution and high product quality .

Company standard of impurity element content of . is given below Product Group Impurity Element Content<= Unit：10 -7 % Na Al P K Ca Cr Fe N Cu Zn Se Sb Pb Bi 5NAs 500 200 500 500 500 500 500 100 500 500 1000 500 500 500 6NAs 100 50 50 50 100 50 50 10 10 100 50 100 10 100 7NAs 10 5 5 10 10 10 10 5 2 5 5 5 5 10 Gl ass bottle package : 1500g±3g each bottle ; glass test tube package is available by client ,s request ; all packages are in conformity with the Measurement Supervision State Administration for Quality and Technology Supervision on December 8,1995; average permissible deviation ≥0 The bottles are specially imported and the glass tubes will be filled with inert gases and sealed and labeled with safety notice ; these bottles or tubes should be put into the holes on the shockproof foam plate in proper order and covered before being encased and sealed in the special packing box enclosed the Quality Inspection Certificate and Packing List .

The particle size of the product is 2mm-20mm ; proportion of product in the size of 2mm below cannot exceed 5% and proportion of 20mm above cannot also exceed 5% of the total.