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1kg antimony tri-sulphide powder. Antimony trisulphide is a grey/black powder used in pyrotechnics and as a solid lubricant in friction materials. Fine powder. Mined. Synonyms: Antimony (III) sulphide, Antimony trisulfide, Stibnite, S6Sb4.
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尤素夫·A.
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阿卜杜拉·B.
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Rajesh P.
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