Wastewater Coliform Microbe - SM 9221, WP
Description
Each PT sample is one lyophilized quantitative standard for use with Standard Methods 9221 or similar multiple tube techniques. CRM also includes one blank sample. Each standard can be used for total coliform, fecal coliform, and E. coli which are present in the range of 20–2400 MPN/100 mL.
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