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Perkin-Elmer HATR Sampling Accessory User's Manual

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MOLECULAR SPECTROSCOPY
HATR S
A
AMPLING
CCESSORY
User's Guide

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Summary of Contents for Perkin-Elmer HATR

  • Page 1 MOLECULAR SPECTROSCOPY HATR S AMPLING CCESSORY User’s Guide...
  • Page 2 Release History Part Number Release Publication Date L1050081 February 2011 Any comments about the documentation for this product should be addressed to: User Assistance PerkinElmer Ltd Chalfont Road Seer Green Beaconsfield Bucks HP9 2FX United Kingdom Or emailed to: info@perkinelmer.com Notices The information contained in this document is subject to change without notice.

  • Page 3: Table Of Contents

    Contents Conventions Used in this Manual ................ 4 Notes, Cautions and Warnings ..............4 Warnings and Safety Information ............... 5 ZnSe (zinc selenide) crystals ................ 5 Ge (germanium) crystals ................6 AMTIR-1 crystals ..................6 Introduction ...................... 7 Installing the Accessory ..................9 Fitting the Accessory ...................

  • Page 4: Conventions Used In This Manual

    4 . HATR Sampling Accessory User’s Guide Conventions Used in this Manual Normal text is used to provide information and instructions. Bold text refers to text that is displayed on the screen. UPPERCASE text, for example ENTER or ALT, refers to keys on the PC keyboard. '+' is used to show that you have to press two keys at the same time, for example, ALT+F.

  • Page 5: Warnings And Safety Information

    A full list of all MSDS documents that refer to the compound is displayed. 4. Select the MSDS document you want to view. ZnSe (zinc selenide) crystals During routine use of your HATR Sampling Accessory the ZnSe crystal presents no hazard, but: DO wear protective gloves when handling the crystal.

  • Page 6: Ge (Germanium) Crystals

    A final rinse in distilled water and then drying in a current of warm air is recommended. Ge (germanium) crystals During routine use of your HATR Sampling Accessory the Ge crystal presents no hazard, but: DO wear protective gloves when handling the crystal.

  • Page 7: Introduction

    Figure 1 The HATR Sampling Accessory What is the HATR used for? The HATR (Horizontal Attenuated Total Reflectance) Sampling Accessory is an internal reflection accessory used with Frontier IR System, Spectrum 100 Series or Spectrum 400 Series spectrometers for simplifying the analysis of solids, powders, pastes, gels and liquids.
  • Page 8 8 . HATR Sampling Accessory User’s Guide Choosing the top plate The HATR can be used to analyze powders, pastes, gels and liquids using a trough top plate, where the sample is poured into the trough. Alternatively, a flat plate may be used for homogenous solid samples, solid surfaces, or coatings on solid samples.

  • Page 9: Installing The Accessory

    Installing the Accessory Fitting the Accessory The HATR Sampling Accessory can be simply installed into the sample compartment of the spectrometer, after first removing any other sampling accessory that is currently fitted. To remove the current accessory and then install the HATR: 1.
  • Page 10 10 . HATR Sampling Accessory User’s Guide 4. Slide in the HATR Sampling Accessory, rest the back of it on the ledge in the sample area and slide it into position. Push it firmly home to ensure that the connector on the rear of the HATR Sampling Accessory mates properly with the spectrometer connector.

  • Page 11: Accessory Detection By Spectrum Software

    HATR Sampling Accessory User’s Guide . 11 Figure 7 HATR installed in a Frontier IR System NOTE: When the HATR is installed, a connection is made between the accessory and the purge system used in the instrument. To purge the accessory, use the left-hand (Sample) purge connector on the rear of the instrument.
  • Page 12 12 . HATR Sampling Accessory User’s Guide Figure 9 Setup Instrument BeamPath tab with HATR icon circled...

  • Page 13: Contamination Check

    HATR Sampling Accessory User’s Guide . 13 Contamination Check The surface of the crystal must be clean before a measurement is taken. The contamination check can be used to ensure this. If the crystal is not properly cleaned, you may observe negative bands in the spectra.

  • Page 14: Applying Pressure

    14 . HATR Sampling Accessory User’s Guide Applying Pressure Good contact between the sample and the surface of the crystal is important to prevent loss of beam penetration. To aid this, a pressure arm can be used to apply controlled force to the sample to make better contact with the crystal.

  • Page 15: Using The Accessory With Spectrum Software

    Using the Accessory with Spectrum Software The following pages outline the procedure for obtaining a sample spectrum using a Frontier instrument fitted with an HATR and running Spectrum software. For further information on how to use Spectrum software, see the on-screen help provided.
  • Page 16 16 . HATR Sampling Accessory User’s Guide 5. If you are using a powder press swing the pressure arm round from the docked position until it is above the center of the cover as shown in Figure 11. Figure 11 Pressure arm in operating position, over a powder press The pressure arm must NOT be used without a volatiles cover or powder press, as this will result in damage to the top plate.
  • Page 17 NOTE: The Force Gauge area is not displayed when the HATR is used in conjunction with a Spectrum 65 spectrometer.
  • Page 18 18 . HATR Sampling Accessory User’s Guide...

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