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The Autopol® IV

The Autopol® IV
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The Autopol® IV

Product catalog summary
Overview: The document provides comprehensive details about the Autopol IV Automatic Polarimeter, a device used for measuring optical activity in compounds. It includes a model selection guide and highlights the applications, features, and specifications of the Autopol series.
Polarimetry Applications: Polarimetry is a nondestructive technique used in industries such as pharmaceuticals, chemicals, essential oils, flavors, and food. It aids in isolating unknowns, evaluating optically active compounds, and investigating kinetic reactions.
Industry Applications:
  • Pharmaceuticals: Determines product purity by measuring specific and optical rotation of compounds like amino acids, antibiotics, and vitamins.
  • Flavor and Essential Oils: Inspects raw materials like camphors and oils.
  • Food Industry: Ensures quality by measuring concentration and purity of sugars and carbohydrates.
  • Chemical Industry: Identifies and characterizes polymers through optical rotation analysis.
Autopol IV Features:
  • Measurement Modes: Offers Optical Rotation, Specific Rotation, Concentration, and Specific Rotation Plus modes.
  • Temperature Control: Allows sample temperature control via an external water bath.
  • Sample Cells: Accepts standard cells up to 200mm, providing higher sensitivity.
  • Multiple Wavelengths: Available in single, dual, and six wavelength models with automatic selection.
  • High-Quality Optics: Uses Glan Thompson Calcite Polarizers for superior light transmission.
Model Selection Guide:
  • Autopol I: Entry-level model suitable for food and educational applications.
  • Autopol II: General-purpose polarimeter for various applications, not recommended for pharmaceutical use.
  • Autopol III: Entry-level pharmaceutical grade with high accuracy.
  • Autopol IV: Suitable for research and pharmaceutical applications with advanced features.
  • Autopol V: Top model with advanced temperature control and software for pharmaceutical companies.
Calibration and Validation: Offers NIST Traceable Quartz Calibration Standards and a Temperature Validation Cell for accurate measurements.
Software: Rudolph PC software provides an easy interface for data collection and export to Excel.
Customer Feedback: Positive reviews highlight reliability and ease of use.
Specifications:
Tungsten-Halogen light source with 6V, 20W, and an average lifespan of 2,000 hours. The device accepts sample tubes up to 200 mm in length. It features two RS232 serial ports and one parallel printer port. Automatic calibration is available via a touchscreen interface. The display is a 7.5 cm x 10 cm graphics LCD with 320 x 240 dots, cold fluorescent backlit.

Measurement Capabilities:
The device measures samples with transmittance as low as 0.01% (up to Optical Density 4.0). It supports Optical Rotation, Specific Rotation, Concentration, and Sugar Degrees (°Z ISS). The resolution for Optical Rotation is 0.001° Arc, and for Concentration, it is 0.001%. The measuring range includes ±89° Arc Optical Rotation and ±999.99° Arc Specific Rotation.

Optical and Temperature Control:
Utilizes Glan Thompson Calcite prisms with selectable wavelengths of 365nm, 405nm, 436nm, 546nm, 589nm, and 633nm. Temperature control is managed by an external water bath with a range of 10° - 40°C and accuracy of ±0.1°C. The device also features automatic electronic heating and cooling with a TempTrol™ range of 15°-35°C and accuracy of ±0.2°C.

Physical and Power Specifications:
Operates on 100 - 240V, 50/60 Hz power. The operating dimensions are 35" W x 10.5" H x 17" D (890 mm W x 267 mm H x 432 mm D), and the shipping dimensions are 42" W x 24" H x 21" D (1066.8 mm W x 609.6 mm H x 533.4 mm D). The operating weight is 85 lbs. (39 kg), and the shipping weight is 115 lbs. (52.1 kg).

Additional Features:
Includes a secure digital card for data storage and supports 21 CFR Part 11 compliant software. The device offers a 0.1% resolution for analog output (0-10 volts or 4-20mA full scale, optional). It also features automatic sensitivity control and a user-friendly touchscreen interface.
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Catalog excerpts

The Autopol® IV-1

Including Autopol Model Selection Guide The brand of polarimeter used in more U.S. labs than any other.* SS RUDOLPH S RESEARCH ■ ANALYTICAL TECHNICAL BULLETIN 909

 Open the catalog to page 1
The Autopol® IV-2

Polarimetry is a sensitive nondestructive technique for measuring the optical activity exhibited by inorganic and organic compounds. A compound is considered to be optically active if linearly polarized light is rotated when passing through it. The amount of optical rotation is determined by the molecular structure and concentration of chiral molecules in the substance. Each optically active substance has its own specific rotation as defined in Biot's law: [a] [=4 A. c»Z In each of these applications, the AUTOPOL offers up to six discrete wavelength selections to observe the effect of wavelength...

 Open the catalog to page 2
The Autopol® IV-3

Measurement Modes The Autopol IV can read directly in one of four measurement modes: Optical Rotation, Specific Rotation, Concentration or Specific Rotation Plus. Specific Rotation Plus allows a correction to be applied to a result for loss on drying. Each measurement mode can be activated via touchscreen selection. Sample cells can be specified at any length (e.g., 50mm, 100mm, 200mm), or entered as a precise dimension (e.g., 199.98mm). Concentration is entered as a percentage. (See Figure 3) Cells up to 200mm Long Instruments of some manufacturers accept only special sample cells, with maximum...

 Open the catalog to page 3
The Autopol® IV-4

Just listen to our customers Heading “We have the AUTOPOL V from Rudolph Research Analytical (RRA)... I have used numerous polarimeters and this is by far the best. We have had it for 1-1/2 years and have had zero problems, the original lamp is still in the instrument. I recommend it over other instruments. RRA installed, trained and performed the IQOQ... It is one piece of equipment that you never worry about.” Alan Davis – Rockwell Medical Technologies Print Format Instrument Identifier Rudolph Research Analytical This sample was measured on an Autopol IV, serial number 10376, manufactured...

 Open the catalog to page 4
The Autopol® IV-5

The accuracy of our entry-level model is +/- 0.02 Degrees Optical Rotation. This accuracy is fine for food and educational applications where budget is critical but state of the art quality is still important. The Autopol I is not a pharmaceutical grade polarimeter and does not come with IQOQ (Installation Quality Operation Quality) documentation. Please see Technical Bulletin 920 for more details on the Autopol I. Autopol II A general-purpose polarimeter with +/- 0.01 Degrees Optical Rotation accuracy. This accuracy is applicable for food, university education, many chemical, flavor and fragrance...

 Open the catalog to page 5
The Autopol® IV-6

Temp. Probe Accuracy: Measurement Time: Light Source: Sample Chamber: Data Storage: Communication Interface: Analog Output: Calibration: Display: User Interface: Automatic Sensitivity Control: Input Power: Operating Dimensions: Shipping Dimensions: Operating Weight: Shipping Weight: Rudolph Research Analytical 55 Newburgh Road, Hackettstown, NJ 07840 USA ■ Phone: 973-584-1558 ■ Fax: 973-584-5440 ■ E-mail: [email protected] ■ Internet: www.rudolphresearch.com

 Open the catalog to page 6

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.