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Refractometer PAL
Application Type
  Refractometer PAL
Application ID
  Automate Specific Gravity Testing
  Robotic Automated System for automating Rudolph J57WR-SP Refractometer with the PAL Robot
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LEAP CTC Robotic Rudolph J57WR-SP Refractometer with the PAL Robot
LEAP CTC Robotic Rudolph J57WR-SP Refractometer with the PAL Robot

Automated measuring of the refractive index of a substance

Automate Specific Gravity Testing

LEAP Technologies offers automation flexibility with integrating a LEAP HTC-xt-DLW PAL autosampler with the Rudolph J57WR-SP Refractometer.
This is based on an HTC-xt PAL equipped with the DLW wash system and an air pump to dry the cell. The J57WR-SP has a LEAP supplied flow cell allowing direct injections of small volumes of sample. This direct injection approach significantly reduces the amount of sample required as there are no transfer lines. The sample is picked up from microtiter plates, deepwell plates, 2ml , 4 mL, or 10 mL vials. Samples can be capped or sealed. The flow cell is flushed using the DLW 2x Solvent pumps system directly through the syringe and cleans the syringe and flow cell. The final blowout and drying of the cell will be made using a small air pump. LEAP offers many storage options for plates and vials with a variety of options including cooling and heating. Customers' unique sample bottles may be used to eliminate the need to transfer samples into specially sized test tubes.
Barcode ID’s can be integrated with specific gravity readings and output directly into the laboratory data system.



Some advantages of automation:

• Automated sample introduction
• Automated Waste disposal
• Rapid sample reading
• Programmable cleaning and drying of reading cell
• Minimal sample volume: 250 ul
• Integration of barcodes and Specific Gravity data
• Just place your sample in the autosampler and press start

Download of WikiPage

LEAP Refractometer Information Document

Other Reference Material

The Rudolph J57WR-SP features a fully automatic measuring system. The J57WR-SP Automatic Refractometer was designed to meet the unique needs of industrial environments in the chemical industry where the refractometer is viewed as a QC tool. The J57WR-SP was designed for chemical measurement, not food. This means a very wide measurement range from 1.26 - 1.70 enabling the instrument to measure materials like fluorocarbons and aromatic chemicals that are beyond the range of most refractometers.

Rudolph J57WR-SP Refractometer

Accessories for the PAL

Other Accessories for PAL Robots

Videos of the PAL

LEAP's PAL Application Videos on YouTube

LEAP CTC Robotic Rudolph J57WR-SP Refractometer with the PAL Robot version
LEAP CTC Robotic Rudolph J57WR-SP Refractometer with the PAL Robot version

Contact LEAP

Contact LEAP

For additional information about LEAP and the PAL Platform, please contact LEAP Technologies.

The information and references contained in this web site are believed to be accurate and the most current information available.

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LEAP Technologies provides fully automated sample processing workstation instrumentation solutions based on the LEAP CTC PAL X, Y, Z syringe only autosampler robot. Including the Automated sample extraction platform for online LC-MS/MS bioanalysis. This extremely flexible, precise, and adaptable liquid handling robotic platform is available in a variety of lengths and options depending on the requirements of your sample preparation and injections for your UHPLC, LC or GC chromatography. LEAP also offers process control systems and stand alone workstations. LEAP is an open, neutral resource for technical support of existing PAL. Keep your PAL in peak working order LEAP offers full support and service for the PAL platform with over 11 years of history with the PAL. LEAP can also write custom macros, cycles, and scheduling software for your specific applications. We're proud that LEAP is known as a productivity improver for laboratories including government labs in agencies such as FDA, USDA, EPA, FBI, Armed Forces, Homeland Security and others function more efficiently. Robotic sample prep equipment works well in government labs and challenges lab technicians to keep feeding those more samples. Analytical equipment such as chromatographs and mass spectrometers are expensive devices and also expensive to maintain. LEAP can help to keep them running and analyze samples around the clock. LEAP has most of its laboratory automation robots under GSAcontract and is eager to service and maintain everything it sells to keep your expensive lab equipment running around the clock. CTC Analytics Combi PAL and HTS PAL for Front-End Automation for LC and GC applications. LEAP offers customized on-site training. LEAP Is continuing to develop FAQ, Solutions, Tips & Techniques,a Learning Center with the LEAP Wiki for the benefit of all PAL Platform Robotic users. We will continue exceeding customer expectations for quality, cost effective and efficient results using the most current technology and expertise in our industry. Our aim is to be the ultimate knowledge base on everything related to the PAL. LEAP is known as the autosamplerguys being in business over twenty years. LEAP has extensive multi-vendor experience with integrating the PAL. HTX, HTS, HTC, HTX-xt, HTS-xt, HTC-xt, LC-Mini, Combi PAL,COMBI-xt PAL, and GC PAL models. We have the Quality, Training, Parts availability, Infrastructure, and Experience.LEAP is sometimes referred to as an Application Automation House who is continually adding new products and solutions to its Lab Automation line. As we do so we change the content of this web site so please check back.
Please contact LEAP Technologies on how we can help you get maximized throughput with flexible pipetting automation solutions whether it is our standard applications or customized to your needs. The Combi-xt PAL autosampler is able to perform liquid and headspace analysis. Headspace options include Solid Phase Micro-extraction (SPME) and ITEX-2 as alternative to purge and trap. The HTS-xt PAL autosampler dramatically increases sample throughput by offering automated sample prep, Peltier cooled and heated sample storage using the cooled stack, Peltier cooled and heated sample storage using the cooled stack and low carryover due to the self-cleaning DLW (Dynamic Load and Wash) module and L-Mark syringes, peltier cooled valves and columns. LEAP provides automation that fits your needs and reduces errors, increases sample capacity, increases efficiency, reduces cost by supplying long term productivity improvements with user friendly software and flexible hardware. LEAP offers full support of integrated and non-integrated PAL software with both sales and support for Cruise Control, Cycle Composer and Cycle Composer Macro Editor, Agilent ChemStation CTC Control, Mass Hunter and EZChrom CTC integration, Xcalibur, Waters Masslynx or Analyst CTC Control software, Thermo (Finnegan) XCalibur, LEAP Shell, and Chronos software. The PAL is more than just an autosampler, it is a high-quality and efficient laboratory robot platform that can be customized by LEAP Technologies to meet your specific needs.

Keywords: measuring instrument for measuring the refractive index of a substance, A refractometer is a laboratory or field device for the measurement of an index of refraction. The index of refraction is calculated from Snell's law and can be calculated from the composition of the material using the Gladstone-Dale relation.,An instrument which measures the bending (refraction) of light through a liquid. It can be used to measure the salinity of water.Simple optical instrument that measures the amount a given solution bends light and so determines the amount of soluble solids in solution (sugars) by measuring the amount of bend on the Brix scale (distilled water = 0°Brix).,An instrument for identifying or grading substances by means of their characteristic refractive index, dispersion, or percentage dissolved solids.,

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