AUTOPOL IV Polarimeter

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The AUTOPOL IV (Rudolph Research Analytical, USA) is a microprocessor based automatic polarimeter for measurement of optical rotation (±89° Arc), specific rotation ±999.99° Arc) and concentration (0 - 99.9%). The Autopol IV comprises Glan Thomson calcite quartz prism polarizer. The highest resolution is 0.001° Arc for optical rotation, 0.001° below 90° Arc and 0.01° between 100 to 999.99° Arc for specific rotation and 0.001% for concentration. However, usually the resulting values of specific rotation are given with one decimal place. The polarimeter accepts sample cells up to 200 mm.