酸洗玻璃珠,Glass beads, acid-washed;粒径:≤106 μm (−140 U.S. sieve)
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邻苯二酚 [儿茶酚],1,2-Dihydroxybenzene;purified by sublimation, ≥99.5%
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乙酸钙水合物,Calcium acetate hydrate;[about 94% Ca(CH₃COO)₂] for soil testing
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白花丹素 [兰雪醌],Plumbagin;phyproof® Reference Substance, ≥98.0% (HPLC)
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棕榈酸,Palmitic acid;analytical standard;≥99.0% (GC)
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氯化锰四水合物 [四水氯化锰],Manganese(II) chloride tetrahydrate;ReagentPlus®, ≥99%
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甘油 [丙三醇],Glycerol;puriss., meets analytical specification of Ph. Eur., BP, 84-88%