Iron(II,III) oxide,powder, <5 um, 95%

Phthalic anhydride,ACS reagent, >=99%

Calcium,pieces, <1 cm, 99%

N-(1-Naphthyl)ethylenediamine dihydrochloride,ACS reagent, >=98%

4-Aminoantipyrine,puriss. p.a., reag. Ph. Eur., >=99%

Quercetin hydrate,>=95%

Ammonium fluoride,>=99.99% trace metals basis

Perfluoroheptanoic acid,>=97.0%

Di-tert-butyl dicarbonate,>=98.0% (GC)

Di-tert-butyl dicarbonate,>=98.0% (GC)

Trifluoromethanesulfonic acid,ReagentPlus, >=99%

2?,7?-Dichlorofluorescein,BioReagent, suitable for fluorescence, >=90% (T)