Sulfanilic acid,puriss. p.a., >=99.0% (T)

Tetramethylammonium hydroxide pentahydrate,>=95.0% (T)

p-Toluidine,for spectrophotometric det. of Au, Tl(III), W, >=99.0%

Calcium chloride,anhydrous, granular, ?7.0 mm, free-flowing, Redi-Dri™, ReagentPlus, >=93%

Trichloroacetic acid,BioUltra, >=99.5% (T)

Trizma hydrochloride,BioUltra, Molecular Biology, >=99.0% (AT)

Methyl cinnamate,>=99.0% (GC)

Lithium chloride,Molecular Biology, >=99%

Acrylamide,Molecular Biology, >=99% (HPLC)

L-Aspartic acid,reagent grade, >=98% (HPLC)

2-Amino-2-methyl-1,3-propanediol,>=99%

ACES,>=99.0% (titration)