分析试剂

Aquastar^® CombiTitrant 5

one component titrant for volumetric Karl Fischer titration, 1 ml ≙ ca. 5 mg H₂O, Aquastar^®

甲酸铵

eluent additive for LC-MS, LiChropur^™, ≥99.0%

盐酸溶液

c(HCl) = 1 mol/l (1 N), reag. Ph. Eur., reag. USP, ready-to-use volumetric solution for titration, Titripur^®

三(2-羧乙基)膦 盐酸盐 溶液

0.5 M, pH 7.0(aqueous solution; pH was adjusted with ammonium hydroxide)

Aquastar^® CombiCoulomat fritless

reagent for coulometric Karl Fischer titration for cells with and without diaphragm, Aquastar^®

Titriplex^® III

for analysis (EDTA disodium salt), ACS reagent, ISO, reag. Ph. Eur.

盐酸溶液

c(HCl) = 0.1 mol/l (0.1 N), reag. Ph. Eur., reag. USP, volumetric solution for titration, Titripur^®

乙酸铵

LiChropur^™, eluent additive for LC-MS

橙色硅胶

with moisture indicator free of heavy metals

酚酞

pH indicator, ACS, Reag. Ph Eur

BSTFA

derivatization grade (GC derivatization), LiChropur^™, contains 1% TMCS, 99% (excluding TMCS)

Water Standard

0.1%, Certified Reference Material for coulometric Karl Fischer Titration 1 g ≙ 1 mg H₂O Aquastar^®

1,1,1,3,3,3-六氟-2-丙醇

for LC-MS LiChropur^™

氯化钾 溶液

3 mol/l, for storage and filling of electrodes

N-甲基-N-（三甲基硅烷基）三氟乙酰胺

derivatization grade (GC derivatization), LiChropur^™, ≥98.5%

邻苯二甲酸氢钾

Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur^® Reag. Ph Eur

N,O-双(三甲基硅)三氟乙酰胺(含三甲基氯硅烷)

with 1% trimethylchlorosilane, derivatization grade (GC derivatization), LiChropur^™

Water Standard

0.01%, Reference Material for coulometric Karl Fischer Titration 1 g ≙ 0.1 mg H₂O Aquastar^®

三氟乙酸

eluent additive for LC-MS, LiChropur^™, ≥99.0% (GC)

Aquastar^® CombiCoulomat frit

reagent for coulometric Karl Fischer titation for cells with diaphragm Aquastar^®