Copper Sulfate Pentahydrate (Cu-5)

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Copper Sulfate Pentahydrate (Cu-5)
Posting date : May 22, 2007
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Free Member Scince May 22, 2007
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28-
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Our copper sulfate is featured with its high purity. The purity of Model Cu-5 is close to 99.9%. It is mainly used in IT industry or for science research because the impurity contents of Fe, Ca, Pb, As, Co, Ni, are lower than the copper sulfate specification of chemical agent in GB665-88 standard. Especially in the PCB manufacturing industry, using high-purity copper sulfate will avoid organic and metal impurities taken into the electroplating bath, thereby preventing the problems of pits, marks, darkness and mist. It ensures a well-proportioned surface and improves the tactility of the board and the strength of resisting haul. Composition: CuSO4. 5H20 > 99.5 % Cu ≥25. 20 Fe ≤ 5 ppm As ≤ 5 ppm Ca ≤ 5 ppm Zn ≤ 10 ppm Cl ≤ 10 ppm Pb ≤ 10 ppm Ni ≤ 5 ppm PH: 3.5 - 4.5

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