Steve Bebich liked Travel Case Cyberdeck.Addison Woods wrote a comment on The "Cyclone-Rotor" Drone.Wiley Hodges liked A Spring-Drive Digital Movie Camera.Idrees Hassan liked The UV Budgie - A Fun IoT Alert For UV Solar Rays.The sample capillary was immersed in a boiling point tube. lion mclionhead has updated the log for The ultimate vlogging mic. Measuring the slip melting point (SMP) is important to the quality control in the cosmetic.lion mclionhead has added a new log for The ultimate vlogging mic.EK has updated the log for Otter Force One.Gregg Eshelman on Small Engine Failure Leads To Impromptu Teardown.Brian Weir on DIY Video Transmitter Turned WiFi Jammer.HaHa on Small Engine Failure Leads To Impromptu Teardown.The Commenter Formerly Known As Ren on Small Engine Failure Leads To Impromptu Teardown.Drone on Backup Camera, Digital Dash, Road Assist… In 1969?.The Commenter Formerly Known As Ren on DIY Video Transmitter Turned WiFi Jammer.Mike on Small Engine Failure Leads To Impromptu Teardown.Rob on Small Engine Failure Leads To Impromptu Teardown.TG on Small Engine Failure Leads To Impromptu Teardown.Lr0dy on Iron Nitrides: Powerful Magnets Without The Rare Earth Elements.Posted in chemistry hacks, Tool Hacks Tagged heating element, hot glue gun, melting point, thermocouple, thermometer Post navigation The Mel-Temp Digital Melting Point Apparatus offers a quick and easy way to measure the melting points of samples at a budget price with a temperature. The rotary light dimmer feeds the electricity to the element, allowing for adjustments to the ramping speed. He wrapped it in fiberglass fabric which is sold in the plumbing supply to protect the area around pipe joints during soldering. Inside the PVC pipe is the heating element from a 40W hot glue gun. That melting surface is the hexagonal head of a bolt which he drilled out to provide a concave surface for the test compound. Since melting points are relatively easy and inexpensive to determine. In this image he’s using a thermocouple to monitor the temperature of the melting surface, but mentions that you can do this with an inexpensive dial thermometer and will still have great results. Melting points are frequently used in organic chemistry to determine your compound identity and the purity, the apparatus to decide your melting point is. measure several physical properties of a compound to determine its identity. figured out how to get around the $500 price tag of a commercial unit by building this DIY melting point test apparatus. This is especially true with hobby chemists as they often acquire their raw materials from the hardware store, garden center, or pool supply. These melting temperatures obtained from the capacitance measurement was consistent with those from DSC, thus suggesting that the melting temperatures of fats and oils can be determined accurately by measuring capacitance.When working with chemical reactions it may be necessary to test the purity of the components you’re using. Initial, peak and end temperatures of melting were read from the first derivative curve of capacitance and the DSC curve. The change in capacitance corresponding to temperature change was differentiated by the temperature increment, and the first derivative curve of capacitance thus obtained was quite similar to the DSC curve. To determine a melting point range, a small sample of the solid in close contact with a thermometer is heated in a metal heating block so that the. The change in capacitance was remarkable around the melting point of each sample. The temperature dependency curve of capacitance of each sample had a unique inflection point, though similar in its shape in all samples. The capacitance of the fat and oil samples increased with increasing temperature. Differential scanning calorimetry (DSC) was also used to examine the enthalpy change accompanying the melting. Capacitance change with melting of samples was measured in the temperature range, -160-30degC using a capacitance meter. This apparatus gradually heats the compound using a heating bath from a set temperature. Olive oil, soybean oil, rapeseed oil, peanut oil, corn oil, sesame oil and triolein were used as samples. The common method for taking the melting point of a solid organic compound is to take a small amount of the compound in a capillary tube and place it in a measuring apparatus. Determination of the melting temperature of fats and oils was attempted by measuring electric capacity (capacitance).
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