Na, 1000 µg/mL in 5% HNO3, 100ml

PE std Alt Trace Metal I in 2 HNO3 100ml

6,6'-Dihydroxy-5,5'-dimethoxybiphenyl-3,3'-dicarbo

Mo, 1000 µg/mL in 5% HNO3, tr. HF, 100ml