pH Buffers Color Coded (stocked) Colorless upon request:

 pH-4.00 (Red), pH-7.00 (yellow), pH 7.38 (yellow) pH 9.18, PH 10.00 (blue) 

Conductivity Calibration Standard (stocked):  1409 µmho/cm. Range is +/- 20 (1389 to 1429 µmho/cm) 

 Also Available from: 84 µmho/cm - up to 8974 µmho/cm. Give us a call.

Good Value

500 mL Bottles

Better Value

1 Liter Bottles

Great value

1 Gallon Bottles

   (3.78 Liters)

Brilliant Idea

5 Gallon Cubitainer® (about 19 Liters) 

Best Value

Isobutylene, Methane, Quad Mix: Hydrogen Sulfide (H2S) 25ppm , Carbon Monoxide(CO) 50ppm, Oxygen (O2) 12%,  Methane (CH4) 50% LEL. Nitrogen Balance. Customized gas mix upon request. Give us a call.