Source Water Microbe - SM 9221, WS
Description
Each Sample is one lyophilized quantitative standard containing E. coli in the range 20-200 MPN/100mL. Use with SM 9221 or equivalent multiple tube fermentation methods. Each standard can be used for Total Coliform, Fecal Coliform and E. coli.
0.250 mg/L C from NIST KHP -- 40 mL
Item No.
11719
Nicotinamide 50.0 ppm -- 40 mL
Item No.
19612
0.500 mg/L Inorganic Carbon from NaHCO3 - 500 mL
Item No.
15992