Sigma-Aldrich
乙腈, suitable for HPLC, gradient grade, ≥99.9%
Sigma-Aldrich
乙腈, anhydrous, 99.8%
Supelco
乙酸铵, LiChropur™, eluent additive for LC-MS
Sigma-Aldrich
乙腈, ACS reagent, ≥99.5%
Sigma-Aldrich
乙腈, for HPLC, for UV, ≥99.9% (GC)
Sigma-Aldrich
乙腈, suitable for HPLC, gradient grade, ≥99.9%
Sigma-Aldrich
乙酸铵, reagent grade, ≥98%
Sigma-Aldrich
乙酸铵, ACS reagent, ≥97%
Sigma-Aldrich
乙酸铵, for molecular biology, ≥98%
Sigma-Aldrich
乙酸铵, ≥99.99% trace metals basis
Sigma-Aldrich
乙酸铵 溶液, for molecular biology, 7.5 M
Supelco
乙腈, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
乙酸铵 溶液, BioUltra, for molecular biology, ~5 M in H2O
Sigma-Aldrich
乙酸铵, 99.999% trace metals basis
Sigma-Aldrich
乙腈, suitable for HPLC-GC, ≥99.8% (GC)
Sigma-Aldrich
乙酸铵, BioXtra, ≥98%
Sigma-Aldrich
乙酸铵, BioUltra, for molecular biology, ≥99.0%
Supelco
乙腈, analytical standard
Sigma-Aldrich
乙腈, ReagentPlus®, 99%
Sigma-Aldrich
乙腈, biotech. grade, ≥99.93%
Sigma-Aldrich
乙腈, suitable for DNA synthesis, ≥99.9% (GC)
Sigma-Aldrich
乙腈, electronic grade, 99.999% trace metals basis
Supelco
残留溶剂-乙腈, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
乙腈, ≥99.5% (GC)
USP
二类残留溶剂 - 甲醇, United States Pharmacopeia (USP) Reference Standard
Sigma-Aldrich
乙腈, Preparateur, ≥99.9% (GC), One-time steel-plastic (SP) drum
Sigma-Aldrich
乙酸铵, Vetec™, reagent grade, 97%