Formaldehyd-DNPH, 100 µg/ml, Acetonitrile, 5ml

Gold (Au)

CPI (1) Control Standard 2 Isooctane solutions S-4025 (mg/mL) S-4026 (mg/mL) S-4027 (mg/mL) C22 1.0 1.0 1.0 C23 0.9 1.0 1.1 C24 0.8

4-n-Nonylphenol pentadecaethoxylate