Mercaptan 20/a, 20 - 100 PPM, (8101871) Peristaltic Pump The metal case is extremely

The metal case is extremely robust and water resistant

Acid Tirant with pH Indicator 10-100 ppm as CaCO3 (Total)

The water level is then determined by taking a reading directly from the tape at the top of the well casing or borehole

This actuator is also great for use when developing monitoring wells

DIMENSIONS -  L 22

Mercaptan 20/a, 20 - 100 PPM, (8101871) Peristaltic Pump The metal case is extremelyMercaptan 20 a, 20 100 PPM, Part # 8101871, 10 Tests Application Range Standard Measuring Range: 20 to 100 ppm Number of Strokes n: 10 Time for Measurement: approx. 2. 5 min Standard Deviation: 10 to 15 % Color Change: white yellow brown Ambient Operating Conditions Temperature: 0 to 50 C Absolute Humidity: 3 to 30 mg H2O L Reaction Principle a) 2 R SH + Cu2+ Cu(RS)2 + 2 H+ b) Cu(RS)2 + S yellow brown copper compound Cross Sensitivity Higher molecular