Supplier Page from Aladdin Scientific Corporation for Lead ion standard solution
(1R,2R)-(+)-1,2-Diphenylethylenediamine from Aladdin Scientific Corporation
2-Propylvaleronitrile from Aladdin Scientific Corporation
3-Formyl-4-isopropoxyphenylboronic acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
Nickel bromide hydrate from Aladdin Scientific Corporation