ASTM D4052 – Petroleum Testing with Auto Sampler

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Polarimeter Measurement with a Rudolph Research Autopol Polarimeter

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Wide Range Refractometer – Rudolph J357

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Refractometer Calibration, How to Perform a Single & 2 Point Calibration

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Making a Density Meter Measurement, Rudolph Research: DDM2911

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How to Clean a Rudolph Research Density Meter: DDM2911

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Refractometer Temperature Correction & Control using a Rudolph J457 Refractometer

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Rudolph Polarimeter Cell Cleaning Video

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Refractometer Video – The Rudolph Research J457

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The Rudolph Research J257 & J357 Refractometers

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Measure Refractive Index of Solids – Films

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Refractometers, Measuring Volatile Samples

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Refractometer, Rudolph’s J47 & J57 Automatic Refractometers

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Density Meter with Peristaltic Pump Sample Delivery

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J457 Refractometer – Load and Go

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