盐酸羟胺 [羟胺盐酸盐],Hydroxylamine hydrochloride;puriss. p.a., ACS reagent, ≥99.0% (RT)
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氟化钠,Sodium fluoride [NaF];puriss., meets analytical specification of Ph. Eur., BP, USP, 98.5-100.5% (calc. to the dried substance)
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乙酸异丁酯,Isobutyl acetate [IBA];analytical standard, >99.8% (GC)
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氯化铜(II)二水合物,Copper(II) chloride dihydrate;for analysis EMSURE® ACS,Reag. Ph Eur, ≥99.0% (iodometric)
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丹宁酶来源于无花果曲霉 [单宁酶],Tannase from Aspergillus ficuum;powder, white, ≥150 U/g
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次氮基三乙酸,Nitrilotriacetic acid [NTA];Pharmaceutical Secondary Standard; Certified Reference Material
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磷酸氢二钾三水合物,Potassium phosphate dibasic trihydrate;Calbiochem®, ≥99% (titration)