Supplier Page from Aladdin Scientific Corporation for PCB No 52 standard solution
1,2,3,4,5,6,7,8-Octahydro-naphthalene from Aladdin Scientific Corporation
4-(1H-Pyrazol-1-ylsulfonyl)phenylboronic acid from Aladdin Scientific Corporation
6-Amino-5-iodonicotinic acid from Aladdin Scientific Corporation
Sodium benzene-1,3-disulfonate from Aladdin Scientific Corporation