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7N high purity arsenic
At present, the company mainly produces high-purity arsenic products with purity of 99.9999%, 99.99999% and 99.999995%. Compared with the standards of peers and even well-known foreign peers, our company more accurately and strictly controls the quality grade of products from the content of 16 impurity elements such as Na (sodium), Ca (calcium) and Fe (iron).
Product standard
4.1 Appearance
Irregular crystalline block, gray metallic luster, no visible black, white covering or other mechanical inclusions on the surface.
4.2 Particle size
The particle size of the product is between 2mm and 20mm, and the arsenic content less than 2mm shall not exceed 5% of the total amount; The amount of arsenic greater than 20mm shall not be greater than 5% of the total amount.
4.3 Net content and allowable deviation
Each bottle: 3000g ± 3g,1500g ± 3g , 1000g ± 3g.Other specifications comply with the Regulations on the Metrological Supervision of Quantitatively Packed Commodities (Order No. 75, January 1, 2006) issued by the National Bureau of Quality and Technical Supervision. The average allowable deviation is ≥ 0.
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