Description
Melting point determination measuring device MP-100 is an analogue instrument for observing and testing up to three samples in parallel during classical melting-point analysis. The three-sample viewing arrangement allows side-by-side comparison of unknowns and references under the same heating conditions, which is useful in organic chemistry, pharmaceutical identity checks and teaching laboratories. Delivery includes 100 melting point tubes that are open at one side, so the workstation can be put into service without a separate capillary order for initial runs. The complete unit weighs 3,000 kg and is supplied as one piece within the melting point measuring devices category of laboratory appliances. Analogue operation keeps the workflow straightforward: load capillaries, heat, and visually record the melt behaviour of each sample. The MP-100 melting point determination measuring device from manufacturer Stuart/Cole-Parmer supports routine solid characterisation where multi-sample observation is preferred. Laboratories specifying an analogue three-sample melting-point station with starter tubes will find this configuration aligned with standard capillary-based melting-point practice.
This article is part of Photometers & spectrophotometers, in Spectroscopy & photometry.
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Melting point determ meas device MP-100, Analogue, observe and test 3 samples, is the article on this page. Luminix Health distributes Stuart/Cole-Parmer for laboratory use. It sits in Photometers & spectrophotometers, inside Spectroscopy & photometry, in Lab instruments.
A photometer reads absorbance at one or a few wavelengths. A spectrophotometer scans or selects many. Both send light through a cuvette or a well. The wavelength range, UV or visible, and the bandwidth decide what can be measured. A visible-only instrument cannot read a nucleic acid at 260 nm.
A photometer or spectrophotometer sends light through a sample and reads how much was absorbed. In the range where the Beer–Lambert relation holds, absorbance tracks concentration. A refractometer reads how a liquid bends light, which tracks dissolved solids. A polarimeter reads the rotation of polarised light, the classical measurement for sugars. The lamp, the wavelength and the cuvette path length are the three things that have to be right before the number means anything. The optical quantities trace to NIST and the BIPM.
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Shelves beside this one are Refractometers & polarimeters and Lamps, cuvette holders & accessories.
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