Product Number
Brand
Product Description
Sigma-Aldrich
Ethanol, purum, fine spirit, denaturated with 4.8% methanol, F25 METHYL1, ~96% (based on denaturant-free substance)
Sigma-Aldrich
Ethanol, purum, absolute ethanol, denaturated with 1% cyclohexane, A15 CYCLO1, ≥99.8% (based on denaturant-free substance)
Sigma-Aldrich
Ethanol, purum, absolute ethanol, denaturated with 2% 2-butanone, A15 MEK1, ≥99.8% (based on denaturant-free substance)
Sigma-Aldrich
Ethanol, purum, absolute ethanol, denaturated with 4.8% isopropanol, A15 IPA1, ≥99.8% (based on denaturant-free substance)
Sigma-Aldrich
Ethanol, purum, fine spirit, denaturated with 2% 2-butanone, F25 MEK1, ~96% (based on denaturant-free substance)
Sigma-Aldrich
Sodium nitrite, ReagentPlus®, ≥99.0%
Sigma-Aldrich
Ethanol, ACS reagent, prima fine spirit, without additive, F15 o1
Sigma-Aldrich
Sodium formate, reagent grade, 97%
Supelco
Sodium formate, analytical standard
Sigma-Aldrich
Sodium nitrite, anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥97%
USP
Glacial acetic acid, United States Pharmacopeia (USP) Reference Standard
Supelco
Sodium nitrite, analytical standard
Sigma-Aldrich
Formic acid, puriss. p.a., ACS reagent, reag. Ph. Eur., ≥98%
Sigma-Aldrich
Formic acid, puriss., meets analytical specifications of DAC, FCC, 98.0-100%
Sigma-Aldrich
Ethanol, absolute, reag. ISO, reag. Ph. Eur., ≥99.8% (GC), liquid (clear, colorless)
Sigma-Aldrich
Ethanol, puriss. p.a., absolute, ≥99.8% (GC)
Sigma-Aldrich
Sodium nitrite, ACS reagent, ≥97.0%
Sigma-Aldrich
Ethyl alcohol, Pure, 200 proof, meets USP testing specifications
Sigma-Aldrich
Formic acid, ACS reagent, ≥88%
Sigma-Aldrich
Sodium formate, ACS reagent, ≥99.0%
Supelco
Sulfuric acid concentrate, 0.1 M H2SO4 in water (0.2N), eluent concentrate for IC
Sigma-Aldrich
Sodium hydroxide-16O solution, 20 wt. % in H216O, 99.9 atom % 16O
Sigma-Aldrich
Methanol-12C, 99.95 atom % 12C
Supelco
Nitrite ion standard solution, 0.1 M NO2-, for ion-selective electrodes
Sigma-Aldrich
Formic acid solution, BioUltra, 1.0 M in H2O
Sigma-Aldrich
Ethanol, for residue analysis
Sigma-Aldrich
Ethanol, purum, secunda spirit, denaturated with 2% 2-butanone, S15, ~96% (based on denaturant-free substance)
Sigma-Aldrich
Ethanol, tested according to Ph. Eur.
Sigma-Aldrich
Sodium formate, BioUltra, ≥99.0% (NT)
Sigma-Aldrich
Sodium nitrite, 99.999% trace metals basis