Rudolph Research Analytical
Logo
  • Home
  • Products
    • Density Meters
      • Density Meter DDM 2909
      • Density Meter DDM 2910
      • Density Meter DDM 2911
      • Density Meter DDM 2911 PLUS
      • Density Meter Sample Loading Options
    • Refractometers
      • J47
      • J57 VT
      • J157 PLUS
      • J257
      • J357
      • J457
      • Contact Lens Refractometers
    • Polarimeters
      • Autopol I
      • Autopol II
      • Autopol III
      • Autopol IV
      • Autopol V
      • Autopol V PLUS
      • Autopol VI
    • Saccharimeters
      • Saccharimeter Autopol 589
      • Digital Saccharimeter Autopol 880 & 880T
      • Saccharimeter Autopol 880 PLUS & 880T PLUS
      • Saccharimeter Sample Cells
      • Saccharimeter Specifications
    • Automation
      • AutoFlex® R817
      • AutoFlex® R827
      • AutoFlex® R837
    • AlcoTest-RI®
      • Distillery Financing
    • VeriLinkRx Hospital Drug Diversion
    • Octapol®
      • Octapol®
      • Octapol® Red
      • Octapol® Black
    • Rudolph Standards Lab
  • Resources
    • Service + Maintenance
    • White Papers
    • Technical Bulletins
    • Definitions
  • Quality – Accreditations
  • Testimonials
  • Rudolph Research – General Info
    • About Us
    • Articles
    • Trade Shows
    • Press Releases
    • Service + Maintenance
    • Customers/Industries
  • Contact Us
    • Distributor Locator
    • Contact Service
    • Request Information
    • Careers
      • Jobs
  • Videos
    • How-To
    • Video Brochures
  • Rudolph Standards Lab
  • Shop
    • Cart
You are here: Home / Archives for White Papers

J57/J157AB Refractometer Technical Bulletin

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 […]

Filed Under: White Papers

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 […]

Filed Under: White Papers

Invert Sugar Measurements

Invert Sugar Formula

WHY MEASURE INVERT SUGAR ? – BACKGROUND Inverted sugar syrup, also called invert syrup is essentially sugar in water. Invert sugar is a mixture of the monosaccharides glucose, and fructose, that is made by hydrolytic saccharification of the disaccharide sucrose. This mixture’s optical rotation is opposite to that of the original sugar, which is why […]

Filed Under: Technical, White Papers

European Pharmacopoeia Essential Oils for Changes Optical Rotation Measurements

.1dm - 10mm Polarimeter Cell

Changes to the European Pharmacopoeia Essential Oils regarding Optical Rotation Measurements / Polarimeter Measurements In April 2022 there is a change coming to the European Pharmacopoeia regarding the measurement of essential oils such as Sweet Orange Oil. The revised monograph requires that samples now need to be measured in a 0.1 dm (10mm) length cell […]

Filed Under: White Papers Tagged With: essential oils, European Pharmacopeia, Optical Rotation

Accurate Determination of Sulfuric Acid Concentration

ACCURATE DETERMINATION OF SULFURIC ACID WITHIN THE CHEMICAL, ACCUMULATORS, FERTILIZERS, METAL, AND PLASTICS INDUSTRIES The Density – Concentration Relationship of H2SO4 As the concentration of the Sulfuric Acid increases, the density also increases. This fairly linearrelationship goes from 0% concentration up to approximately 96% or 97%. However, somewhere around 93% the linear relationship starts to […]

Filed Under: White Papers

  • 1
  • 2
  • 3
  • …
  • 7
  • Next Page »

Products

  • Density Meters
  • Refractometers
  • Polarimeters
  • Saccharimeters
  • Automation

Resources

  • Distributor Locator
  • Videos
  • Articles
  • White Papers
  • Technical Bulletins
  • Quality
  • Service & Maintenance

General Information

  • About Us
  • Trade Shows
  • Press Releases
  • Customers/Industries
  • Site Map

Global Distributors

Global distributors

General Inquiries

Rudolph Research Analytical
55 Newburgh Road Hackettstown, NJ, 07840 USA

Phone: 973-584-1558
Fax: 973-584-5440
info@rudolphresearch.com
  • Home
  • Products
  • Resources
  • Quality – Accreditations
  • Testimonials
  • Rudolph Research – General Info
  • Contact Us
  • Videos
  • Rudolph Standards Lab
  • Shop

Copyright © 2023 Rudolph Research Analytical

  • Home
  • Products
    • Density Meters
      • Density Meter DDM 2909
      • Density Meter DDM 2910
      • Density Meter DDM 2911
      • Density Meter DDM 2911 PLUS
      • Density Meter Sample Loading Options
      • Back
    • Refractometers
      • J47
      • J57 VT
      • J157 PLUS
      • J257
      • J357
      • J457
      • Contact Lens Refractometers
      • Back
    • Polarimeters
      • Autopol I
      • Autopol II
      • Autopol III
      • Autopol IV
      • Autopol V
      • Autopol V PLUS
      • Autopol VI
      • Back
    • Saccharimeters
      • Saccharimeter Autopol 589
      • Digital Saccharimeter Autopol 880 & 880T
      • Saccharimeter Autopol 880 PLUS & 880T PLUS
      • Saccharimeter Sample Cells
      • Saccharimeter Specifications
      • Back
    • Automation
      • AutoFlex® R817
      • AutoFlex® R827
      • AutoFlex® R837
      • Back
    • AlcoTest-RI®
      • Distillery Financing
      • Back
    • VeriLinkRx Hospital Drug Diversion
    • Octapol®
      • Octapol®
      • Octapol® Red
      • Octapol® Black
      • Back
    • Rudolph Standards Lab
    • Back
  • Resources
    • Service + Maintenance
    • White Papers
    • Technical Bulletins
    • Definitions
    • Back
  • Quality – Accreditations
  • Testimonials
  • Rudolph Research – General Info
    • About Us
    • Articles
    • Trade Shows
    • Press Releases
    • Service + Maintenance
    • Customers/Industries
    • Back
  • Contact Us
    • Distributor Locator
    • Contact Service
    • Request Information
    • Careers
      • Jobs
      • Back
    • Back
  • Videos
    • How-To
    • Video Brochures
    • Back
  • Rudolph Standards Lab
  • Shop
    • Cart
    • Back
  • Türkçe
  • Español
  • Português
  • Deutsch