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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 ................................................................................... 9

Accessory Detection by Spectrum Software ................................................. 11

Contamination Check ........................................................................................ 13

Applying Pressure ............................................................................................. 14

Using the Accessory with Spectrum Software ..................................................... 15

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Содержание HATR

Страница 1: ...HATR SAMPLING ACCESSORY User s Guide MOLECULAR SPECTROSCOPY ...

Страница 2: ...tability and fitness for a particular purpose PerkinElmer shall not be liable for errors contained herein for incidental consequential damages in connection with furnishing performance or use of this material Copyright Information This document contains proprietary information that is protected by copyright All rights are reserved No part of this publication may be reproduced in any form whatsoeve...

Страница 3: ...ety Information 5 ZnSe zinc selenide crystals 5 Ge germanium crystals 6 AMTIR 1 crystals 6 Introduction 7 Installing the Accessory 9 Fitting the Accessory 9 Accessory Detection by Spectrum Software 11 Contamination Check 13 Applying Pressure 14 Using the Accessory with Spectrum Software 15 ...

Страница 4: ...ies or Spectrum 100 Series spectrometer and any sampling accessory fitted Notes Cautions and Warnings Three terms in the following standard formats are also used to highlight special circumstances and warnings NOTE A note indicates additional significant information that is provided with some procedures CAUTION We use the term CAUTION to inform you about situations that could result in serious dam...

Страница 5: ...s available on the Software Utilities CD 1 Launch your web browser and navigate to the PerkinElmer web site www perkinelmer com If you are not redirected automatically you may have to select the home page appropriate to your location 2 Search for the term MSDS using the search box located at the top of the home page The Search for Material Safety Data Sheets MSDS page is displayed 3 Enter the key ...

Страница 6: ...ecommended Ge germanium crystals WARNING During routine use of your HATR Sampling Accessory the Ge crystal presents no hazard but DO wear protective gloves when handling the crystal May be harmful if ingested in quantity and may irritate or cause physical damage to eyes DO NOT use acids to wash the crystal Ge can react violently with oxidizers and can ignite in contact with chlorine and bromine Cl...

Страница 7: ...l for analyzing strong infrared absorbing solutions such as emulsions or aqueous solutions The technique can also prove useful in measuring homogenous solid samples solid surfaces and coatings on solid samples How it works The technique involves placing a sample on top of a crystal with a high refractive index An infrared beam from the instrument is passed into the accessory and up into the crysta...

Страница 8: ... it is more resistant to acids Germanium Ge crystals have a high refractive index of 4 0 and are used for highly absorbing samples such as carbon filled polymers and rubbers and samples with a high water content These crystals are also resistant to strong acids and bases NOTE Derivative shaped bands can be observed in the spectrum if the refractive index of the sample is too close to the refractiv...

Страница 9: ... current accessory and then install the HATR 1 Raise the sample cover to the vertical position press the release clip and lift the cover upwards clear of the instrument Store it in a safe place for future re use 2 Reach in under the base of the current accessory and pull the release handle towards you to release the accessory 3 Now simply slide the accessory out of the sample area Figure 4 Store i...

Страница 10: ...sure that the connector on the rear of the HATR Sampling Accessory mates properly with the spectrometer connector Figure 5 Installing the HATR accessory 5 Place the required top plate trough or flat plate type on the HATR accessory with the arrows pointing towards the back Figure 6 Figure 6 HATR accessory top plate with arrows circled The HATR Sampling Accessory is now ready for use ...

Страница 11: ... hand purge connector purges the instrument Accessory Detection by Spectrum Software NOTE If you do not have an instrument installed see the Administrator s Guide for your software for details of the Instrument Install Wizard The Spectrum software detects the presence of the accessory and the HATR icon is added to the toolbar The Setup Instrument Basic Figure 8 and Setup Instrument BeamPath Figure...

Страница 12: ...12 HATR Sampling Accessory User s Guide Figure 9 Setup Instrument BeamPath tab with HATR icon circled ...

Страница 13: ...uard against spillage Do not leave the top of the accessory uncovered for long periods of time Always place the dust cover over the accessory when the top plate is removed Contamination Ready Check NOTE For information about setting up Ready Checks see the Spectrum on screen Help The following description assumes that Ready Checks are already set up and enabled To perform a Ready Check 1 From the ...

Страница 14: ...th the crystal The pressure arm is used in conjunction with either a volatiles cover part number L1205436 or a powder press part number L1201944 as described in Table 1 Table 1 Use of volatiles cover and powder press Item Flat top plate Trough top plate Volatiles cover Used to apply pressure to polymer films or laminates Used to prevent evaporation without use of pressure arm Powder press Not appl...

Страница 15: ...meters that are not displayed in the Instrument Settings toolbar select Instrument from the Setup menu The Setup Instrument pages are then displayed in the Dialog Pane at the bottom of the workspace Figure 8 on page 11 shows the Setup Instrument Basic tab 2 If you need to collect a background spectrum ensure that the top plate is clean and then click on the Measurement toolbar Spectrum automatical...

Страница 16: ...t not try to correct for uneven surfaces by applying extra force as you may damage the crystal Samples with uneven surfaces should be ground to a powder and analyzed using a trough top plate 6 Screw down the pressure pin to apply force to the sample CAUTION Excessive force can crack and permanently damage the crystal in the top plate or damage the pressure arm Be careful not to apply too much forc...

Страница 17: ... force is being applied that the pressure arm and or the crystal is in danger of being damaged NOTE The Force Gauge area is not displayed when the HATR is used in conjunction with a Spectrum 65 spectrometer NOTE If you want to compare various samples or use quantitative techniques ensure you use the same amount of force each time Figure 12 Force Gauge indication in Spectrum software You are now re...

Страница 18: ...18 HATR Sampling Accessory User s Guide ...

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