Total Kjeldahl Nitrogen (N), 100µg/ml in Water, 100ml

Performance Control Mixture 4 Analytes each Wt.% as listed; units: 1x1mL, 5x1mL neat Name Wt. % Name Wt. % n-Hexadecane 75.0 Tetralin 3.0 Naphthalene 2.0

Propanil, 10 µg/ml, Acetonitrile, 10ml

Native PCN Solution/Mixture, 1.2ml, nonane