AvantorAmmonium cerium(IV) sulphate 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM volumetric solutionSKU · VWRC2678.1000
AvantorAmmonium iron(II) sulphate 0.12 mol/l (0.12 N) in aqueous solution, AVS TITRINORM volumetric solution, for COD determination according to NF T 90-101 standardSKU · VWRC30884.291
AvantorAmmonium iron(II) sulphate 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM volumetric solutionSKU · VWRC30883.297
AvantorAmmonium thiocyanate 1 mol/l (1 N) in aqueous solution, AVS TITRINORM volumetric solutionSKU · VWRC31960.291