甲基磺酸甲酯,Methyl methanesulfonate;99%
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醋酸锰四水合物 [四水乙酸锰],Manganese(II) acetate tetrahydrate;99.99% trace metals basis
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乙酸丁酯,Butyl acetate [BA];suitable for HPLC, 99.7%
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二苯胍,1,3-Diphenylguanidine;analytical standard (for titrimetry), ≥99.5% (HPLC)
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酒石酸钾钠四水合物 [罗谢尔盐四水合物],Potassium sodium tartrate tetrahydrate;for analysis EMSURE® ACS,ISO,Reag. Ph Eur, 99.0-102.0% (alkalimetric)
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溴甲酚绿,Bromocresol Green [BCG];ACS reagent, Dye content 95%
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芴,Fluorene;analytical standard, 99%