The determination of organic acids is carried out in two steps: 1. Esterification of organic acids with ethylene glycol 2. Conversion of the esters to hydroxamic acids which subsequently react with iron(III) ions to form red coloured complexes
DataThe determination of organic acids is carried out in two steps:
Esterification of organic acids with ethylene glycol
Conversion of the esters to hydroxamic acids which subsequently react with iron(III) Ions to form red coloured complexes
Reagents for Macherey Nagel water test systems
NANOCOLOR® Reagent Tube Tests
NANOCOLOR® Equipment
Software Downloads
Compact Multiparameter Photometer PF-12 Plus
For easy and fast measurements
Using NANOCOLOR® bar coded test tubes, the measurement is automatically performed after inserting the cuvette into the cuvette slot. The contact with any dangerous chemicals is avoided because the measurement is performed directly in the test tube. This guarantees maximum safety for the user.
Approved
Reliable and comparable results
The reaction basis of NANOCOLOR® tests is based on international approved standard methods like DIN-, EN-, ISO-, EPA- and APHA.
Precise
Easy handling and highest accuracy
All NANOCOLOR® tests contain accurate predosed reagents, that are directly ready to use and calibrated accessories.
Versatile
The perfect test for every request
For all important parameters in water and wastewater analysis, a large number of tests with different ranges is available.
Unique
No mix up of tests Every
NANOCOLOR® test box is equipped with a colour coded label and can be identified clearly by its colour.
A full overview of all reagents and equipment can be found in the NANOCOLOR Analysis System Brochure.
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