HunterLab’s round cell (A13-1011-613) is a practical small volume cell for transmittance color and haze measurements.
EasyMatch QC-ER is a 21 CFR Part 11 compliant version of HunterLab’s EasyMatch QC software for electronic records. Here is how to successfully upgrade to a newer version on the same computer.
The original references were written by Allen Hazen, a chemist who first defined APHA/Pt-Co/Hazen color scale for the evaluation of water quality on behalf of the American Public Health Association: Hazen, A. A new color standard for natural waters, American Chemist Journal (14:300), 1892. Hazen, A. The measurement of the colors of natural waters, American […]
HunterLab offers 3 different sizes of round, molded glass vials that can be useful for volatile samples that require a cap, are heated to high temperatures or are part of an autosampling process.
Operation of HunterLab EasyMatch QC and EasyMatch QC-ER software requires a USB hardware key to operate the software with all of our sensors. It is rare to have any operational issues with this key but here are the most common frequently asked questions.
FAQ: “How do I read Opacity on my MiniScan EZ (or ColorFlex EZ) instrument?” To measure opacity you will first need to navigate to the product set up you wish to configure. Once in the product set up you will need to make sure that the standard is set to WORKING. Then navigate to the […]
FAQ: “Is there any way to lock the Product Setups on my MiniScan EZ (or ColorFlex EZ) instrument?” Setups can be locked by navigating to Global Options from the main menu. In the Global Options menu you should see a Setups Locked field. Scroll down to the Setups Locked field and use the right arrow […]
Is there any way to have EasyMatch QC automatically open a Job(s) when opening the software? Yes, there is an option in the software to automatically have EasyMatch QC open a Job or a few Jobs when starting the software.
One thing to keep in mind when measuring creams, gels, pastes, and other semi-solid materials is to maintain a consistent sample thickness. One option is to “sandwich” a fixed quanity of your semi-solid material in a suitable clear-bottomed container, so that it can be placed at the port for measurement.
FAQ: “We are in touch with a pharmaceutical company which is looking for a spectrophotometer to measure the color and appearance of cationic surfactants. Can you provide any information on this topic?” Surfactants reduce the surface tension of a liquid as in the use of a dish detergent; the interfacial tensions between two liquids such as in the case of […]