Rudolph Research Refractometer Selection Guide Rudolph has the ideal refractometer for your application, offering features unsurpassed in the laboratory instrumentation industry. Temperature Control – Rudolph offer precise temperature-control in a range of 10°C – to even 100°C. By utilizing Rudolph’s Exclusive TempTrol™, heating and cooling, Dual Temperature Control System samples can be controlled from the […]
J57/J157AB Refractometer Measurement of Urea Concentration for Diesel Engine Additives
J57AB /J157AB Refractometers for Measurement of Urea Concentration for Diesel Engine Additives Standards Designed in accordance with DIN 70071 / ISO 22241-2 Basic operation The J57AB is a sub model of the J57HA and most details on the Technical Bulletin 941 apply; the J157AB is a sub model of the J157 and most details on […]
Automobile Industry Refractometer Options Package
Suggested users Car and truck manufacturing factories looking to check fluids before they are put in new vehicles Laboratories which analyze fluids from in-service vehicles Companies making concentrated urea solutions that will eventually get diluted and sold to use in diesel engines Companies buying concentrated urea solutions and diluting them for use in diesel engines […]
Contact Lens Refractometers
Rudolph Research Contact Lens Refractometers The Contact Lens Refractometers are designed for measurement of contact lenses both hard and soft as well as accurately checking saline solutions. The J457CLR offers: Reproducible pressure measurement Soft contact lenses will change refractive index if solution is pressed out of the matrix. By using a light, but repeatable, amount […]
Refractometry – Measuring Refractive Index
Refractometry Definition – Measuring Refractive Index Refractive Index Measurement or Refractometry is the method of measuring substances refractive index and assess their composition or purity. Refractometry is a technique that measures how light is refracted when it passes through a given substance. Snell’s Law which is also known as The Law of Refraction describes the […]
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