D3-(±)-Naproxen, 100 µg/ml, Methanol, 1ml

Acesulfame K, 250mg

Tetra-n-propyltin, 100mg

Sulfur Standard 2 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4073 Di-n-propyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)