*Tungsten ICP Standard, 10000 µg/mL in Water, tr Ammonium hydroxide, 100 mL 7039-Cannabinoids 2 with potassium phosphate to

2 with potassium phosphate to prevent a change in pH and provide a source of phosphate

Ammonium chloride provides a nitrogen source

Phosphate as P 7778-77-0 1000 µg/mL

This Certified Reference Material at a concentration of 100 µg/mL in PT Methanol is composed of 12 analytes

This Certified Reference Material at a concentration of 5000 µg/mL in Methanol is composed of 2 analytes

*Tungsten ICP Standard, 10000 µg/mL in Water, tr Ammonium hydroxide, 100 mL 7039-Cannabinoids 2 with potassium phosphate toThis Certified Reference Material at a concentration of 1000 g mL in Water , tr NH4OH is composed of a single analyte. It is supplied in a unit of 100 mL and should be stored at an ambient temperature of greater than 5 C.