Jul. 11, 2017Applications
Since the start of the photometry compendium, we have collected the most frequent requests about the subject "How do you achieve good measured results?" and compiled them into a list of favorites. Here, important subjects include ...
Sep. 24, 2015Applications
Different light sources are used depending on the area of application. A short comparison of laboratory photometers which use Wolfram Halogen lamps and hand held devices which use LEDs. This article is supplemental material for Pho ...
Sep. 15, 2015Science
From planning the experiments, buying and setting up the necessary apparatus and reagents, through general storage, taking samples and their transport and storage, to starting the practical analysis, execution, data collection and ...
Aug. 27, 2015Products
This video is about pitfalls in test preparation and handling. When working with a photometer you should be sure that you try to avoid all possible mistakes before measuring. This video helps you to get the best results. It shows you how ...
Aug. 27, 2015Applications
Optimized measurement – what should be observed in particular? This article shows how you can reduce interferences and avoid sources of error. This article is supplemental material for Photometry-Compendium Episode 3
Why is the temperature of samples important? This article shows how the sample temperature affects the color reactions of the tests and thus measuring results and how this source of error can be avoided. This article is suppleme ...
Methods data are the basis for all automatic settings of commercial test kits, especially the stored calibration data: These are subject to change when the test is optimized or have to be implemented in the photometer for new methods. I ...
What can go wrong when pipetting? Very much! To guarantee the quality of pipetting and thus the experiment, this article describes meaningful steps for quality assurance. Pipetting is in addition to the sample preparation a key factor ...
Aug. 27, 2015Webcast
Typical traps that we can fall into while preparing and carrying out tests. ...
Aug. 25, 2015Science
The cumulative parameter COD, is a measure for the organic load of wastewater. Nitrate, nitrite and ammonia are important parameters for the nitrogen elimination in wastewater plants. Along with phosphate, nitrate is an essential plant ...
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