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Sigma-Aldrich
Sulfate de sodium, ACS reagent, ≥99.0%, anhydrous, granular
Sigma-Aldrich
Sulfate de sodium, ACS reagent, ≥99.0%, anhydrous, powder
Sigma-Aldrich
Carbonate de sodium, powder, ≥99.5%, ACS reagent
Sigma-Aldrich
Carbonate de sodium, ACS reagent, anhydrous, ≥99.5%, powder or granules
Sigma-Aldrich
Hydriodic acid, 57 wt. % in H2O, distilled, stabilized, 99.95%
Sigma-Aldrich
Sodium persulfate, reagent grade, ≥98%
Sigma-Aldrich
Carbonate de sodium, ACS reagent (primary standard), anhydrous, 99.95-100.05% dry basis
Sigma-Aldrich
Hydriodic acid, contains no stabilizer, ACS reagent, 55%
Sigma-Aldrich
Hydriodic acid, contains no stabilizer, distilled, 57 wt. % in H2O, 99.99% trace metals basis
Sigma-Aldrich
Carbonate de sodium, ReagentPlus®, ≥99.5%
Sigma-Aldrich
Sulfate de sodium, ReagentPlus®, ≥99.0%
Sigma-Aldrich
Sulfate de sodium, puriss., meets analytical specification of Ph. Eur., BP, USP, anhydrous, 99.0-100.5% (calc. to the dried substance)
Sigma-Aldrich
Sulfate de sodium, anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%
Sigma-Aldrich
Carbonate de sodium, anhydrous, powder, 99.999% trace metals basis
Sigma-Aldrich
Carbonate de sodium, puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)
Sigma-Aldrich
Isonicotinic acid, 99%
Sigma-Aldrich
Carbonate de sodium, anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%
Sigma-Aldrich
Hydriodic acid, contains ≤1.5% hypophosphorous acid as stabilizer, ACS reagent, ≥47.0%
Sigma-Aldrich
Sodium persulfate, purum p.a., ≥98% (RT)
Sigma-Aldrich
Sulfate de sodium, anhydrous, free-flowing, Redi-Dri™, ReagentPlus®, ≥99%
Sigma-Aldrich
Sulfate de sodium, ≥99.99% trace metals basis
Sigma-Aldrich
Sulfate de sodium, BioUltra, anhydrous, ≥99.0% (T)
Sigma-Aldrich
Carbonate de sodium, BioUltra, anhydrous, ≥99.5% (calc. on dry substance, T)
Sigma-Aldrich
Carbonate de sodium, BioXtra, ≥99.0%
Sigma-Aldrich
Hydriodic acid, 57 wt. %, distilled, 99.999% trace metals basis
Sigma-Aldrich
Sodium persulfate, BioUltra, ≥99%
Sigma-Aldrich
Sulfate de sodium, BioXtra, ≥99.0%
Sigma-Aldrich
Carbonate de sodium, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., anhydrous, ≥99.8% (calc. to the dried substance)
Sigma-Aldrich
Carbonate de sodium, anhydrous, powder or granules, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%
Sigma-Aldrich
Carbonate de sodium, anhydrous, free-flowing, Redi-Dri™, ACS reagent (primary standard), 99.95-100.05% dry basis