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 […]
FAQ: “We would like to access data outside the EasyMatch QC software. How can we export data from EasyMatch QC?” In EasyMatch QC, we have an ASCII Export and Data Send features that can be set up to manually (batch export) or automatically (every new measurement) export to a file, COM port or IP address. […]
FAQ: “I have made some changes to my Color Data Table that do not appear to be taking effect. How can I make sure that all of these changes are applied to all of my new Jobs?”
FAQ: “I want to be able to change the display in EasyMatch QC to show only 1 decimal place. How do I do this?”
FAQ: “I want to measure the lux level for a light box we are using to evaluate the color of garments. I would like to know, how many light boxes are required for a room. One light box has four D65 tube rods. My question, Is there any standard value of lux which we need […]
FAQ: “A customer would like to load EasyMatch QC software on a single server and then access EZMQC from several different terminals – is this possible?” Unfortunately EZMQC does not support installation on a central server and activation from multiple computers, moving the hardware key from terminal to terminal to allow access. As an alternative, […]
There are several parts to the 21 CFR Part 11 documents with a good overview of 21 CFR Part 11 at the US FDA website. Part C is the key section concerned with electronic records retention.
“APHA” stands for American Public Health Association Color Scale, the organization responsible for the original definition and implementation of this visual color scale as a standard method for rating water quality.
The APHA/Pt-Co/Hazen and Gardner visual color scales were both originally based on liquid chloroplatinate color standards but have different history and intended use.