ERA 698

One 500 mL whole-volume bottle is ready to analyze. The CRM is also certified for sodium at 10–400 mg/L. For a Sodium PT, order Hardness, Cat. #555. To be eligible to order Extra Volume, the PT item must be purchased first.

698 Methods: ASTM D1067-92B, ASTM D1125-95A, ASTM D1179-93B, ASTM D3867-90A, ASTM D3867-90B, ASTM D3867-99A, ASTM D3867-99B, ASTM D4327-91, ASTM D4327-97, ASTM D512-89B, ASTM D516, ASTM D516-07, ASTM D516-11, ASTM D516-70, ASTM D516-90, ASTM D6919-03, ASTM D6919-09, EPA 120.1, EPA 160.1, EPA 200.7, EPA 200.8, EPA 258.1, EPA 300.0, EPA 300.1, EPA 310.1, EPA 310.2, EPA 325.1, EPA 325.2, EPA 325.3, EPA 340.1, EPA 340.2, EPA 340.3, EPA 353.2, EPA 375.2, EPA 375.4, EPA 6010, EPA 6010B, EPA 6010C, EPA 6010D, EPA 6020, EPA 6020B, EPA 9056, EPA 9212, EPA 9214, EPA 9250, EPA 9251, EPA 9253, HACH 10206, HACH 10225, HACH 8160, LACHAT 10-107-04-1-A, LACHAT 10-107-04-1-B, LACHAT 10-107-04-1-C, LACHAT 10-107-04-1-K, LACHAT 10-107-04-1-L, LACHAT 10-302-00-1-A, LACHAT 10-302-00-1-B, NECi Nitrate-Reductase, SM 2320 B, SM 2330 B, SM 2510 B, SM 2540 C, SM 3111 B, SM 3111 D, SM 3120, SM 3120 B, SM 3500-Ca B, SM 3500-K D, SM 3500-Na D, SM 4110 B, SM 4500 Cl- C, SM 4500 F- B, SM 4500 F- E, SM 4500-Cl B, SM 4500-Cl C, SM 4500-Cl D, SM 4500-Cl E, SM 4500-Cl F, SM 4500-Cl¯ D, SM 4500-Cl¯ E, SM 4500-F B, SM 4500-F C, SM 4500-F D, SM 4500-F E, SM 4500-NH3 D, SM 4500-NO3 D, SM 4500-NO3 E, SM 4500-NO3 F, SM 4500-NO3 H, SM 4500-SO4 C, SM 4500-SO4 D, SM 4500-SO4 E, SM 4500-SO4 F, SM 4500-SO4 G, Systea Easy (1-Reagent) Nitrate, USGS I-1030-85, EPA 273.1, EPA 273.2