Allantoin,>=98.0% (N)

4-Aminoantipyrine,for spectrophotometric det. of H2O2 and phenols, >=98.0%

N,N-Diethyl-p-phenylenediamine sulfate salt,for spectrophotometric det. of S2?, Cl2, >=99.0%

4-Amino-3-hydroxy-1-naphthalenesulfonic acid,for spectrophotometric det. of Si, >=90.0% (CHN)

Ammonium molybdate tetrahydrate,BioUltra, >=99.0% (T)

Ammonium pyrrolidinedithiocarbamate,purum p.a., >=98.0% (NT)

Ammonium metavanadate,puriss. p.a., ACS reagent, >=99.0% (RT)

Sudan I,Dye content >=95 %

Trichloro(octadecyl)silane,>=90%

1,1,1,3,3,3-Hexafluoro-2-propanol,>=99%

Trifluoroacetic anhydride,ReagentPlus, >=99%

4-(Dimethylamino)pyridine,ReagentPlus, >=99%