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21 mt
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連絡先担当者 Ms. sophie
no1 cuizhu street, zhengzhou, henan
Appearance : White Free-Flowing Crystalline Powder Purity: *5% min. *8% min. *0% min. Na2CO3(wt%) **3 Na2S2O3(wt%) **1.5 Na2S2O5(wt%) 5.**6.5 Na2SO3(wt%) **2.5 Fe(ppm) *8max Water insoluble(wt%) 0.1max Smell: a little smell of SO2 Appearance: white crystalline powder
