“Carbon black, also called charcoal black lamp black, pigment black, soot or black carbon, is a fine particle carbon pigment obtained as soot from the incomplete combustion of many different types of organic materials, such as natural gas, or oil. Carbon black is usually a fine, soft, black powder. It is very stable and unaffected […]
FAQ: “Straight from the LSXE Pro-forma, the LabScan XE sample ports are described as: Port Insert, 3-mm illuminated area; 5-mm measured area Port Insert, 6-mm illuminated area; 10-mm measured area Port Insert, 13-mm illuminated area; 17-mm measured area Port Insert, 25-mm illuminated area; 30-mm measured area Port Insert, 44-mm illuminated area; 50-mm measured area I […]
FAQ: “Do you know of a test lab for DDG Color of Dried Distillers Grain? DDG stands for ‘Dried Distillers Grain”. While its origins are based on evaluation of the residual protein content of wheat and corn for cattle feed that had been used in the distillation of whiskey, bourbon and spirits, it has moved […]
HunterLab manufactures bench top instruments with two different geometry types: directional 45/0 (or 0/45) and diffuse sphere instruments, as discussed in a previous blog note. A 45/0 directional instrument illuminates the sample at a 45˚ angle from the sample surface and the detector is located 0˚ in line perpendicular to the sample surface. The […]
FAQ: “My customer has a ColorFlex 45:0 LAV and needs to measure a very small amount of sample in a cup. Do we have a sample cup for small quantities?”
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.
All HunterLab instruments have fuses built into the main circuitry to protect the instrument against unusual and unexpected changes in voltage that could damage the electrical components.
FAQ: “We need to take our LabScan XE instrument to Germany for some plant trial testing. Our machine is a US spectrophotometer 110v unit and, obviously, the power supply in Germany is 220v. The label on the back of the instrument says ‘110v-220v’, which sounds a little ambiguous to me. Do we need a voltage […]
FAQ: “How do I perform a “power on self test” with my LabScan XE?”