The Pearl liquid IR transmission accessory
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Pearl | Liquid transmission accessory

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Fast liquid FTIR transmission accessory

This new accessory greatly reduces the time and difficulty of liquid sample analysis.

The Pearl™ is a high specification liquid transmission accessory designed for laboratory spectroscopic sample analysis in the Near and Mid-Infrared. The accessory contains Specac’s innovative Oyster Cell assembly which holds your sample in a horizontal plane.

The design of the Pearl™ and Oyster Cell allows for fast and easy application of the sample, and for cleaning between samples.

Analyze volatile liquids using transmission spectroscopy

For more volatile samples, there is an injection access port in the top Oyster, so the cell assembly does not have to be fully opened. At all times, the sample can be viewed through the two windows, allowing the user to ensure that no bubbles have been trapped.

The Oyster Cell can be cleaned very easily and quickly using tissue and an appropriate solvent.

Accurate transmission pathlength

The Pearl™ has been designed to provide a more accurate pathlength than can be achieved when using a traditional liquid transmission accessory, with pathlengths repeatable to significantly less than 1μm thanks to the innovative Oyster Cell.

The Oyster Cells have the unique feature of being offered as either parallel or wedged cells to eliminate troublesome fringing patterns.

Interchangeable FTIR transmission windows

Pearl™ can be fitted with ZnSe or CaF2 windows which can be interchanged in seconds. These Oyster Cells are available in six pathlengths, 25μm 50μm, 100μm, 200μm, 500μm and 1,000μm.

Compatable with measurement standards

Method Number  
Determination of fatty acid methyl ester (FAME) content in middle distillates. Infrared spectrometry method (Click Here for Our App Note) EN 14078
In-Service Oil Condition Monitoring standard practice ASTM D7418
Phosphate Antiwear Additives in In-Service Petroleum and Hydrocarbon Based Lubricants by Trend Analysis ASTM D7412
Monitoring of Oxidation in In-Service Petroleum and Hydrocarbon Based Lubricants ASTM D7414
Sulfate By-Products in In-Service Petroleum and Hydrocarbon Based Lubricants ASTM D7415
Nitration in In-Service Petroleum and Hydrocarbon Based Lubricants ASTM D7624
Standard Practice for Condition Monitoring of In-Service Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry ASTM E2412

Request a quote for the Pearl accessory

For a Pearl FTIR transmission accessory price, contact us for a free quote.

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  • Ordering
  • Options
  • Documents
Pearl body
  • Pearl Unit - Blue An FTIR transmission liquid cell for various liquid types. GS31000-A
  • Pearl Unit - Black An FTIR transmission liquid cell for various liquid types. GS31000-B
  • Pearl Unit - Red An FTIR transmission liquid cell for various liquid types. GS31000-R
  • Pearl Unit - Green An FTIR transmission liquid cell for various liquid types. GS31000-G
  • Pearl Unit - Purple An FTIR transmission liquid cell for various liquid types. GS31000-P
  • Pearl Unit - Orange An FTIR transmission liquid cell for various liquid types. GS31000-O
  • Pearl Unit - Yellow An FTIR transmission liquid cell for various liquid types. GS31000-Y
 
Pearl Oyster Cell Windows
  • Oyster Bottom: ZnSe Parallel 100µm Bottom window for the Pearl: ZnSe Parallel 100µm. GS33212
  • Oyster Bottom: ZnSe Parallel 1000µm Bottom window for the Pearl: ZnSe Parallel 1000µm. GS33215
  • Oyster Bottom: ZnSe Parallel 200µm Bottom window for the Pearl: ZnSe Parallel 200µm. GS33213
  • Oyster Bottom: ZnSe Parallel 25µm Bottom window for the Pearl: ZnSe Parallel 25µm GS33216
  • Oyster Bottom: ZnSe Parallel 50µm Bottom window for the Pearl: ZnSe Parallel 50µm. GS33211
  • Oyster Bottom: ZnSe Parallel 500µm Bottom window for the Pearl: ZnSe Parallel 500µm. GS33214
  • Oyster Bottom: ZnSe Wedged 100µm Bottom window for the Pearl: ZnSe Wedged 100µm. GS33222
  • Oyster Bottom: ZnSe Wedged 1000µm Bottom window for the Pearl: ZnSe Wedged 1000µm. GS33225
  • Oyster Bottom: ZnSe Wedged 200µm Bottom window for the Pearl: ZnSe Wedged 200µm. GS33223
  • Oyster Bottom: ZnSe Wedged 25µm Bottom window for the Pearl: ZnSe Wedged 25µm. GS33226
  • Oyster Bottom: ZnSe Wedged 500µm Bottom window for the Pearl: ZnSe Wedged 500µm. GS33224
  • Oyster Bottom:ZnSe Wedged 50µm Bottom window for the Pearl: ZnSe Wedged 50µm GS33221
  • Oyster Complete: Caf2 Parallel 25µm Top and bottom windows for the Pearl: Caf2 Parallel 25µm. GS31316
  • Oyster Complete: Caf2 Parallel 50µm Top and bottom windows for the Pearl: Caf2 Parallel 50µm. GS31311
  • Oyster Complete Caf2 Parallel 100µm Top and bottom windows for the Pearl: Caf2 Parallel 100µm. GS31312
  • Oyster Complete Caf2 Parallel 200µm Top and bottom windows for the Pearl: Caf2 Parallel 200µm. GS31313
  • Oyster Complete Caf2 Parallel 500µm Top and bottom windows for the Pearl: Caf2 Parallel 500µm. GS31314
  • Oyster Complete Caf2 Parallel 1000µm Top and bottom windows for the Pearl: Caf2 Parallel 1000µm. GS31315
  • Complete Caf2 Wedged 25µm Top and bottom windows for the Pearl: Caf2 Wedged 25µm. GS31326
  • Oyster Complete Caf2 Wedged 50µm Top and bottom windows for the Pearl: Caf2 Wedged 50µm. GS31321
  • Oyster Complete Caf2 Wedged 100µm Top and bottom windows for the Pearl: Caf2 Wedged 100µm. GS31322
  • Oyster Complete Caf2 Wedged 200µm Top and bottom windows for the Pearl: Caf2 Wedged 200µm. GS31323
  • Oyster Complete Caf2 Wedged 500µm Top and bottom windows for the Pearl: Caf2 Wedged 500µm. GS31324
  • Oyster Complete Caf2 Wedged 1000µm Top and bottom windows for the Pearl: Caf2 Wedged 1000µm. GS31325
  • Oyster Complete: ZnSe Parallel 100µm Top and bottom windows for the Pearl: ZnSe Parallel 100µm. GS31212
  • Oyster Complete: ZnSe Parallel 1000µm Top and bottom windows for the Pearl: ZnSe Parallel 1000µm. GS31215
  • Oyster Complete: ZnSe Parallel 200µm Top and bottom windows for the Pearl: ZnSe Parallel 200µm. GS31213
  • Oyster Complete: ZnSe Parallel 25µm Top and bottom windows for the Pearl: ZnSe Parallel 25µm. GS31216
  • Oyster Complete: ZnSe Parallel 50µm Top and bottom windows for the Pearl: ZnSe Parallel 50µm. GS31211
  • Oyster Complete: ZnSe Parallel 500µm Top and bottom windows for the Pearl: ZnSe Parallel 500µm. GS31214
  • Oyster Complete: ZnSe Wedged 100µm Top and bottom windows for the Pearl: ZnSe Wedged 100µm. GS31222
  • Oyster Complete: ZnSe Wedged 1000µm Top and bottom windows for the Pearl: ZnSe Wedged 1000µm. GS31225
  • Oyster Complete: ZnSe Wedged 200µm Top and bottom windows for the Pearl: ZnSe Wedged 200µm. GS31223
  • Oyster Complete: ZnSe Wedged 25µm Top and bottom windows for the Pearl: ZnSe Wedged 25µm. GS31226
  • Oyster Complete: ZnSe Wedged 50µm Top and bottom windows for the Pearl: ZnSe Wedged 50µm. GS31221
  • Oyster Complete: ZnSe Wedged 500µm Top and bottom windows for the Pearl: ZnSe Wedged 500µm. GS31224
  • Oyster Top: Caf2 Top window for the Pearl: Caf2. GS32300
  • Oyster Bottom: Caf2 Parallel 25µm Bottom window for the Pearl: Caf2 Parallel 25µm. GS33316
  • Oyster Bottom: Caf2 Parallel 50µm Bottom window for the Pearl: Caf2 Parallel 50µm. GS33311
  • Oyster Bottom: Caf2 Parallel 100µm Bottom window for the Pearl: Caf2 Parallel 100µm. GS33312
  • Oyster Bottom: Caf2 Parallel 200µm Bottom window for the Pearl: Caf2 Parallel 200µm. GS33313
  • Oyster Bottom: Caf2 Parallel 500µm Bottom window for the Pearl: Caf2 Parallel 500µm. GS33314
  • Oyster Bottom: Caf2 Parallel 1000µm Bottom window for the Pearl: Caf2 Parallel 1000µm. GS33315
  • Oyster Bottom: Caf2 Wedged 25µm Bottom window for the Pearl: Caf2 Wedged 25µm. GS33326
  • Oyster Bottom: Caf2 Wedged 50µm Bottom window for the Pearl: Caf2 Wedged 50µm. GS33321
  • Oyster Bottom: Caf2 Wedged 100µm Bottom window for the Pearl: Caf2 Wedged 100µm. GS33322
  • Oyster Bottom: Caf2 Wedged 200µm Bottom window for the Pearl: Caf2 Wedged 200µm. GS33323
  • Oyster Bottom: Caf2 Wedged 500µm Bottom window for the Pearl: Caf2 Wedged 500µm. GS33324
  • Oyster Bottom: Caf2 Wedged 1000µm Bottom window for the Pearl: Caf2 Wedged 1000µm. GS33325
  • Oyster Top: ZnSe Top window for the Pearl: ZnSe GS32200
 
Application Notes
Data Sheets
  • Pearl Datasheet

    This accessory reduces the time and difficulty of IR transmission liquid analysis.
User Manuals

Features

  • Easiest liquid FTIR sampling system available
  • Faster and more reliable than traditional liquid cells, saving time and money
  • Very accurate and repeatable pathlengths, including the option of wedging to eliminate troublesome fringing
  • Various pathlengths and window materials, which can be changed in seconds
  • Handles viscous materials with ease


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