Plastic additive 18, 50mg

1,3-Phenylenediamine, 1000µg/mL in methylene chloride, 1ml

Sulfaguanidine monohydrate, 100 µg/ml, Methanol,

Daily Quality Control Standard (with 3 Deuterated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane