Imidazole,ACS reagent, >=99% (titration)

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

Itaconic acid,>=99%

myo-Inositol,>=99%

a-Ketoglutaric acid,>=98.5% (NaOH, titration)

B-Lactose,?30% a-anomer basis, >=99% total lactose basis

Sodium dodecyl sulfate,BioReagent, suitable for electrophoresis, Molecular Biology, >=98.5% (GC)

Lanthanum(III) oxide,>=99.9%

Dodecanoic acid,>=99% (GC/titration)

Lithium chloride,BioXtra, >=99.0% (titration)

N-Lauroylsarcosine sodium salt,>=94%

L-Lysine monohydrochloride,reagent grade, >=98% (HPLC)