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Colorimeters

The colorimetric method of chemical analysis involves the measurement of light absorption by colored solutions. While the differences in color development are visible to the human eye, visual determination is subject to user interpretation. Colorimeters eliminate the differences encountered with color comparitors to produce an exact numerical value-with greater resolution that can be achieved through comparitors. Colorimeters use the well-understood principals of wet chemistry to provide precise, repeatable analysis methods. For example, the standard DPD method for determining free and total chlorine is well accepted and approved by the USEPA
It is becoming an everyday measurement that is as important in laboratory research, municipal water treatment, process control and preventative maintenance. Check out our Optical Measurement Introduction (.pdf, 20KB) for more details on colorimetery theory and measurements.

Check out our colorimetry accessories!

C101 pH Colorimeter Kit New! — A portable, single-parameter meter for pH measurement. Ideal where pH electrode maintenance is a problem.
C102 Cyanuric Acid Colorimeter Kit New! — A portable, single-parameter meter for cyanuric acid measurement.
C201 Chlorine Colorimeter Kit New! — This portable meter measures free and total chlorine based upon EPA-approved methods.
C301 Chlorine/pH Colorimeter Kit New! — Measures both chlorine and pH with one portable instrument.
C401 Chlorine/pH/Cyanuric Acid Colorimeter Kit New! — Test for all 3 chemicals with one easy-to-use portable instrument. Ideal for pool and spa maintenance.

 


 
 

APT Instruments
14520 Grover St
Omaha, NE 68144

877.324.5444(Toll Free)
217.498.0342(Voice)
217.498.0352(Fax)
sales@aptinstruments.com
2001-17 APT Instruments.
All prices and specifications subject to change. All trademarks are the property of their respective owners.