Sigma-Aldrich
纯乙醇, 200 proof, for molecular biology
Sigma-Aldrich
丙酮, ACS reagent, ≥99.5%
Sigma-Aldrich
纯乙醇, 200 proof, anhydrous, ≥99.5%
Sigma-Aldrich
纯乙醇, 200 proof, ACS reagent, ≥99.5%
Sigma-Aldrich
丙酮, suitable for HPLC, ≥99.9%
Sigma-Aldrich
氢氧化钾, ACS reagent, ≥85%, pellets
Sigma-Aldrich
丙酮, HPLC Plus, for HPLC, GC, and residue analysis, ≥99.9%
Sigma-Aldrich
纯乙醇, 200 proof, HPLC/spectrophotometric grade
Sigma-Aldrich
酒精, BioUltra, for molecular biology, ≥99.8%, (absolute alcohol, without additive, A15 o1)
Sigma-Aldrich
氢氧化钾, reagent grade, 90%, flakes
Sigma-Aldrich
纯乙醇, 200 proof, meets USP testing specifications
Sigma-Aldrich
纯乙醇, 190 proof, ACS spectrophotometric grade, 95.0%
Sigma-Aldrich
氢氧化钾, pellets, reag. Ph. Eur., ≥85%
Sigma-Aldrich
肼 一水合物, N2H4 64-65 %, reagent grade, ≥97%
Sigma-Aldrich
氢氧化钾 溶液, 45 wt. % in H2O
Supelco
酒精, standard for GC
Sigma-Aldrich
氢氧化钾, semiconductor grade, pellets, 99.99% trace metals basis (Purity excludes sodium content.)
Sigma-Aldrich
纯乙醇, 190 proof, for molecular biology
Sigma-Aldrich
丙酮, Laboratory Reagent, ≥99.5%
Supelco
无水乙醇, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
丙酮, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (GC)
Sigma-Aldrich
纯乙醇, 190 proof, meets USP testing specifications
Sigma-Aldrich
肼 水合物, reagent grade, N2H4 50-60 %
Sigma-Aldrich
氢氧化钾, ≥85% KOH basis, pellets, white
Supelco
氢氧化钾 溶液, volumetric, 8.0 M KOH (8.0N)
Supelco
丙酮, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
氯化镍(II) 六水合物, ReagentPlus®
Supelco
丙酮, analytical standard
Sigma-Aldrich
丙酮, suitable for HPLC, ≥99.8%
Sigma-Aldrich
氢氧化钾, technical, ≥85%, powder