4-氨基-3-羟基-1-萘磺酸,4-Amino-3-hydroxy-1-naphthalenesulfonic acid;for spectrophotometric det. of Si, ≥90.0% (CHN)
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叔丁醇钛,Titanium(IV) tert-butoxide;deposition grade
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诃子鞣酸,Chebulagic acid;analytical standard, ≥85.0% (HPLC)
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氯化亚铜,Copper(I) chloride;ReagentPlus®, purified, ≥99%
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对苯二甲酸,Terephthalic acid [TPA, H2BDC];98%
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叶酸杂质D [蝶酸],Pteroic acid;Pharmaceutical Secondary Standard; Certified Reference Material
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果胶酶来源于黑曲霉,Pectinase from Aspergillus niger;BioReagent, suitable for plant cell culture, aqueous glycerol solution, ≥5 units/mg protein (Lowry)