For determination of trace levels of iron by the Ferrozine method. Hach method 8147. Range: 0.009 to 1.40 mg/L. Sample size: 25 mL. Pack of 50 pillows.

For colorimetric chloride determination by the mercuric thiocyanate method. Hach method 8113. Range: 0.1 to 25.0 mg/L Cl- 100 mL bottle

For determination of ferrous iron by the 1,10-phenanthroline method. Hach method 8146. Range: 0.02-3.00 mg/L Fe. Pack of 100 powder pillows.

The sc200 Universal Controller is the most versatile controller on the market. It allows the use of digital and analog sensors, either alone or in combination, to provide compatibility with the broade

The sc200 Universal Controller is the most versatile controller on the market. It allows the use of digital and analog sensors, either alone or in combination, to provide compatibility with the broade