"Merck"

Supplier: Merck

N,N'-Diphenyl-p-phenylenediamine for synthesis, Sigma-Aldrich®

Supplier: Merck

2,4-Diamino-6-phenyl-1,3,5-triazine, Sigma-Aldrich®

Supplier: Merck

For full details of specification and hazards please see www.vwr.com or the VWR Chemicals catalogues

Supplier: Merck

Aminoiminomethanesulphinic acid for synthesis, Sigma-Aldrich®

Supplier: Merck

Isobutyraldehyde for synthesis, Sigma-Aldrich®

Supplier: Merck

EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Supplier: Merck

4-Chlorophenol for synthesis

Supplier: Merck

All the individual steps associated with solid phase extraction can be carried out using the LiChrolut® extraction unit. This transparent and vacuum-suitable unit, made of glass, can be used to prepare up to 12 samples simultaneously.

Supplier: Merck

1,3,5-Trioxane for synthesis, Sigma-Aldrich®

Supplier: Merck

Semicarbazide hydrochloride for synthesis, Sigma-Aldrich®

Supplier: Merck

Tetrasodium diphosphate decahydrate, EMSURE® ACS, Reag. Ph. Eur. for analysis, Supelco®

Supplier: Merck

Brij® 35, Sigma-Aldrich®

Supplier: Merck

trans-Anethole, Sigma-Aldrich®

Supplier: Merck

Cetyldimethylethylammonium bromide for synthesis, Sigma-Aldrich®

Supplier: Merck

Hydrazinium sulphate, GR for analysis, Supelco®

Supplier: Merck

2,2'-Methyliminodiethanol for synthesis