BOULING CHEMICAL CO.,LTD

crystal(1)
Sodium Salt(10)

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sdium hyrosulfite
Specification: 90%specification 88%specification 85%specification
Detail: Standard of hydros and byproducts : (1) HG/T2074-2004 standard of chemical department : Index name Index Top quality First quality Content of hydros ¡Ý% 90 85 Content of insoluble substance in water ¡Ü% 0.2 0.4 ...


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