Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml

Endosulfan I

Hydroxycitronellal, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 107-75-5

EPA Method 525.2 - Internal Standard, 2000µg/ml in MeChl, 1ml