对氨基苯磺酸 [磺胺酸],Sulfanilic acid;Pharmaceutical Secondary Standard; Certified Reference Material
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硼酸,Boric acid;99.999% trace metals basis
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柠檬酸三钠二水合物,Sodium citrate tribasic dihydrate;BioXtra, ≥99.0% (titration)
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碘化钾,Potassium iodide;BioUltra, ≥99.5% (AT)
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柠檬酸二氢钠,Sodium dihydrogencitrate;BioXtra, anhydrous, ≥99.5% (T)
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四乙基氢氧化铵溶液,Tetraethylammonium hydroxide solution [TEAOH];35 wt. % in H2O
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五氟苯,Pentafluorobenzene;98%