Columbia Analytical Instruments Inc. products

Use the configuration you prefer. SmartBlock 125c uses standard 50ml centrifuge tubes. SmartBlock 125i uses dedicated digestion vessels.

Our SmartBlock 226 is a unique product designed for high production laboratories. Digest 100 COD or Total Phosphorous tubes at once with 0.5C precision. No more multiple block NIST thermometer quarterly calibration. Just do it once with our giant SmartBlock 226.

The SmartBlock 125 is a trace metals disgestion block which can digest 56 water, wastewater, TCLP digestion extracts, soils and other sample types. Two transport racks are included which can quickly and safely insert and remove the 50-ml centrifuge tubes which serve as digestion containers. Two sizes are available, 56- and 28-position SmartBlocks (56 position shown above).

COD Tubes are produced using ACS/Primary Standard  Grade chemcials and our Method has received EPA Acceptability. Tubes come economically packaged in cases of 300 (2 inner boxes of 150).

GGA Standards are created following the description found in `Standard Methods for the Examination of Water and Wastewater`
150mg of glucose and 150 mg of glutamic acid are added to a 1 liter Class A volumetric flask and brought to volume.