Sigma-Aldrich
乙腈, suitable for HPLC, gradient grade, ≥99.9%
Sigma-Aldrich
纯乙醇, 200 proof, for molecular biology
Sigma-Aldrich
乙腈, anhydrous, 99.8%
Sigma-Aldrich
纯乙醇, 200 proof, anhydrous, ≥99.5%
Sigma-Aldrich
纯乙醇, 200 proof, ACS reagent, ≥99.5%
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
乙腈, ACS reagent, ≥99.5%
Sigma-Aldrich
乙腈, for HPLC, for UV, ≥99.9% (GC)
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
乙腈, suitable for HPLC, gradient grade, ≥99.9%
Supelco
酒精, standard for GC
Sigma-Aldrich
纯乙醇, 190 proof, for molecular biology
Supelco
无水乙醇, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
氯化锡(II) 二水合物, ACS reagent, 98%
Sigma-Aldrich
纯乙醇, 190 proof, meets USP testing specifications
Sigma-Aldrich
氯化锡(II) 二水合物, reagent grade, 98%
Supelco
乙腈, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
乙腈, suitable for HPLC-GC, ≥99.8% (GC)
Sigma-Aldrich
氯化锡(II) 二水合物, ≥99.99% trace metals basis
Supelco
Ethanol 溶液, certified reference material, 2000 μg/mL in methanol
Sigma-Aldrich
氯化锡(II) 二水合物, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥98%
Sigma-Aldrich
乙醇钽(V), 99.98% trace metals basis
Sigma-Aldrich
酒精, puriss. p.a., absolute, ≥99.8% (GC)
USP
无水酒精, United States Pharmacopeia (USP) Reference Standard
Supelco
乙腈, analytical standard
Sigma-Aldrich
乙腈, biotech. grade, ≥99.93%
Sigma-Aldrich
乙腈, ReagentPlus®, 99%
Sigma-Aldrich
酒精, tested according to Ph. Eur.