Does anyone know

2009-02-24View Original

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Does anyone know GB8251-87?

Reply #22009-02-24

Is the person upstairs looking for a standard? Or something else? The question should be made clearer – what exactly are you looking for? That way, others can help you better

Reply #32009-02-24

(1) Zinc sulfate: a white powdery crystal that is soluble in water; it is used in the production of zinc barium white, as a raw material for zinc salts, as a dyeing agent in printing and dyeing, in electroplating, in the pharmaceutical industry, in pesticides, and in the artificial fiber industry. Content ≥98% (II) Zinc sulfate heptahydrate: colorless needle-shaped crystals, soluble in water; it weathers in air and is widely used in the electrolysis and electroplating industries as well as as an auxiliary material in fiber production. 　　Grade 1: ≥98%, Grade 2: ≥96%

Reply #42009-02-24

Thank you so much! This is exactly what I want

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Does anyone know

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