*Cation Standard - Ammonium, 100 µg/mL in Water, 500 mL 7008-PCBs PAHs which extends the shelf-life of

which extends the shelf-life of cell culture medium by limiting deamination of the terminal amino group of the side-chain

This Certified Reference Material at a concentration of 10000 µg/mL in 10% Nitric acid is composed of a single analyte

It is supplied as a set of 7 x 25 mL and should be stored at an ambient temperature of greater than 5 °C

15 mg/mL in Methanol is composed of a single analyte

This Certified Reference Material at a concentration of 2000 µg/mL in Methanol is composed of 3 analytes

*Cation Standard - Ammonium, 100 µg/mL in Water, 500 mL 7008-PCBs PAHs which extends the shelf-life ofThis Certified Reference Material at a concentration of 100 g mL in Water is composed of a single analyte. It is supplied in a unit of 500 mL and should be stored at an ambient temperature of greater than 5 C.