Silica gel,high-purity grade (Davisil Grade 643), pore size 150 Å, 200-425 mesh

Bis(2-ethylhexyl) phosphate,97%

yttrium(III) nitrate hexahydrate,99.8% trace metals basis

Cerium(III) nitrate hexahydrate,99% trace metals basis

Chromium(III) nitrate nonahydrate,99%

2-Ethylimidazole,98%

D-Sorbitol,99% (GC)

p-Toluenesulfonyl chloride,ReagentPlus, >=99%

N-Phenyl-p-phenylenediamine,98%

Quinoline,reagent grade, 98%

Poly(sodium 4-styrenesulfonate),average Mw ~70,000

Pyridine hydrochloride,98%