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4 West Changcheng Rd,Qinyang,Henan,China China
Sodium Hydrogensulfide Item flake Or flake Liquid basis NaHS, %min 70 68 65 36 28 Na2s, %max 3 3 2 1.0 1.2 Fe, % 0.003 0.003 0.005 / /
white needle system crystal, easily being deliquescent, soluble in the water and alcohol, water solution with strong ***** with acids and liber ates h
連絡先担当者 Mr. xin shelly
住所 4 West Changcheng Rd, Qinyang, Henan
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