对氨基苯磺酸 [磺胺酸],Sulfanilic acid;ACS reagent, 99%
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全氟(4-甲基-3,6-二氧辛-7-烯)磺酰氟,Perfluoro(4-methyl-3,6-dioxaoct-7-ene)sulfonyl Fluoride -
2-氨基-4-羟乙基氨基苯甲醚硫酸盐,2-Amino-4-hydroxyethylaminoanisole sulfate -
碳酸钙,Calcium carbonate;puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E170, precipitated, 98.5-100.5% (based on anhydrous substance) -
磷钨酸水合物 [钨磷酸],Phosphotungstic acid hydrate;reagent grade -
硫酸镍胺六水合物,Ammonium nickel(II) sulfate hexahydrate;≥98% -
硫酸亚铁(II)铵六水合物,Ammonium iron(II) sulfate hexahydrate;for analysis EMSURE® ISO, 99.0-101.5% (manganometric)
