溴化钾,Potassium bromide;FT-IR grade, ≥99% trace metals basis
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丙烯酰胺,Acrylamide;suitable for electrophoresis, ≥99% (HPLC), powder
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山梨酸,Sorbic acid;USP/NF, tested according to Ph. Eur.
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萘普生,Naproxen;Pharmaceutical Secondary Standard; Certified Reference Material
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磷酸二氢铵,Ammonium phosphate monobasic [APM];for analysis EMSURE® ACS,Reag. Ph Eur, ≥99.0% (acidimetric)
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琼脂粉,Agar;suitable for microbiology
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辣根过氧化物酶,Peroxidase from horseradish [POD, HRP];Type II, essentially salt-free, lyophilized powder, 150-250 units/mg solid (using pyrogallol)