ICP-MS Tuning Solution #1 EPA 200.8

24-Methylcholestane isomer Kit; includes 3054,3055,0607,0643, , Solvent-, Unit Kit, # of units-, Cas.no.

tert-Amyl alcohol

4-Methyl-1H-benzotriazole, 1000µg/ml in MeOH, 1ml