Sigma-Aldrich
氟化钠, ACS reagent, ≥99%
Sigma-Aldrich
乙二酸钠, ACS reagent, ≥99.5%
Sigma-Aldrich
草酸, ReagentPlus®, ≥99%
Sigma-Aldrich
氟化钠, ReagentPlus®, ≥99%
Sigma-Aldrich
乙二酸钠, puriss. p.a., ACS reagent, ≥99.5% (RT)
Sigma-Aldrich
草酸, purified grade, 99.999% trace metals basis
Sigma-Aldrich
草酸, puriss. p.a., anhydrous, ≥99.0% (RT)
Sigma-Aldrich
氟化钠, 99.99% trace metals basis
Sigma-Aldrich
乙二酸钠, ≥99.99% trace metals basis
Supelco
乙二酸钠, reference material for titrimetry, certified by BAM, >99.5%
Sigma-Aldrich
氟化钠, anhydrous, powder, 99.99% trace metals basis
Sigma-Aldrich
氟化钠, puriss., meets analytical specification of Ph. Eur., BP, USP, 98.5-100.5% (calc. to the dried substance)
Sigma-Aldrich
乙二酸钠, BioXtra
Sigma-Aldrich
氟化钠, BioXtra, ≥99%
Sigma-Aldrich
氟化钠, BioReagent, suitable for insect cell culture, ≥99%
Supelco
ISE用氟离子溶液, 0.1 M F-, for ion-selective electrodes
Supelco
草酸 溶液, 0.1 M (COOH)2 (0.2N), eluent concentrate for IC
