Mass Spectrometry & Spectroscopy

  • The Pearl, Liquid Transmission Accessory

The Pearl, Liquid Transmission Accessory

Mar 16 2020 Read 315 Times

Infrared spectroscopy of some liquids is best accomplished in transmission mode, where the whole sample is exposed to the path of the infrared beam. The advantages over ATR include higher sensitivity and accurate determination of pathlength – essential for accurate quantitation. 

Traditional liquid transmission cells are simple in construction, consisting of no more than two IR transmitting windows and a thin spacer clamped together with backing plates. Although simple by design, their use can be complicated by viscous samples which may stick or apply unevenly to the windows.

These same samples are also difficult to introduce and clean from a cell, requiring careful reassembly after each sample. This makes accurate and repeatable control of the pathlength near impossible.

The Pearl™ liquid transmission accessory holds the innovative horizontally mounted Oyster™ cell, consisting of two precision machined window holders which match to provide a highly repeatable pathlength without the use of spacers.

Reader comments

Do you like or dislike what you have read? Why not post a comment to tell others / the manufacturer and our Editor what you think. To leave comments please complete the form below. Providing the content is approved, your comment will be on screen in less than 24 hours. Leaving comments on product information and articles can assist with future editorial and article content. Post questions, thoughts or simply whether you like the content.

Post a Comment

Digital Edition

Labmate UK & Ireland March 2020

March 2020

In This Edition Articles - Meet. Learn. Discover - Ways to tackle the spread of coronavirus using viricidal surface decontamination Features Chromatography - New Wettable Phase Thri...

View all digital editions



Mar 29 2020 Palm Springs, CA, USA

North Africa Health - EVENT POSTPONED

Apr 07 2020 Cairo, Egypt


Apr 13 2020 Casablanca, Morocco

AOCS Annual Meeting & Expo - EVENT CANCELLED

Apr 26 2020 Montreal, Quebec, Canada

View all events