Spectrum | Laboratory Journal – Business Web for Users in Science and Industry

Jul. 11, 2017
Applications
Feasible Measured Values
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 ...
Nov. 30, 2015
Applications
Optical Reagent-Free Measurement of COD, Nitrate, Nitrite with photoLab 7600
A presentation of the optical reagent-free measurement procedure. This article is supplemental material for Photometry-Compendium Episode 6. More supplemental material you can find here.
Nov. 20, 2015
Applications
Spectral UV-VIS and UV Online Sensors
Technology and application of WTW spectral online sensors. This article is supplemental material for Photometry-Compendium Episode 6. More supplemental material you can find here.
Nov. 20, 2015
Applications
Data to the Lab and Back
For the data exchange between the WTW online measuring systems and photolab 6000/7000 photometers a USB stick is all you need. Do you have any questions regarding photometry? Please contact WTW!
Nov. 20, 2015
Applications
SAC is Not Equal to SAC
The spectral absorption coefficient is generally referred to as SAC (unit: 1/m). It is used to determine the sum of the dissolved organic water content substances by means of laboratory or process photometers. This article is suppl ...
Nov. 20, 2015
Applications
Online Measurement Brought into the Lab
OptRF - optical reagent-free measurement of COD, Nitrate and Nitrite. This article is supplemental material for Photometry-Compendium Episode 6. More supplemental material you can find here.
Nov. 20, 2015
Science
Reagent-Free Measuring Methods
The functional principle of spectral photometry is based on the absorption of electromagnetic radiation by substances. Besides the methods that use a chemical reaction to create a concentration dependant colour change, which can then ...
Nov. 20, 2015
Webcast
Photometry Compendium Episode 6
Besides the methods that use a chemical reaction to create a concentration dependant colour change, which can then be measured, there are many substances that can be measured without a colour reaction provided they absorb light within the ...
Nov. 03, 2015
Products
The Link Between Online and Laboratory World
IQ-Lablink by WTW is a newly developed software-based procedure for data exchange between online and laboratory metering systems. The manual alignment of online and laboratory data sets, which has always been a potential error source, is ...
Oct. 30, 2015
Science
Extraction processes and COD
Extraction processes are necessary for separating all substances in a complex inorganic or biological structure if one wants to carry out a comprehensive quantitative analysis. Heavy metals in electroplating, for example, tend towards ...

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