*Spiking Std #2 Method 200.7 (1991), 10000 µg/mL in 2-5% Nitric Acid, 50 mL 7059-Sulfur in Petroleum This Certified Reference Material at

This Certified Reference Material at a concentration of 1000 µg/mL in Isopropanol is composed of a single analyte

and other growth factors for microorganisms

amino sugars

It is supplied in a unit of 50 mL and should be stored at an ambient temperature of greater than 5 °C

Yeast Extract is a complex hydrolysate from yeasts used as a nutrient source in various culture media

*Spiking Std #2 Method 200.7 (1991), 10000 µg/mL in 2-5% Nitric Acid, 50 mL 7059-Sulfur in Petroleum This Certified Reference Material atThis Certified Reference Material at a concentration of 10000 g mL in 2 5% Nitric Acid is composed of 4 analytes. It is supplied in a unit of 50 mL and should be stored at an ambient temperature of greater than 5 C.