Nitroguanidine, 100 µg/ml, Acetonitrile, 1ml

pH 11.0 Standard at 25°C

1,4,6-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

2,6-Dichlorophenol, 100 µg/ml, Methanol, 5ml