Kaplan Scientific
Back to transmission-accessories
Specac

Specac Omni-Cell – Universal Demountable Liquid Cell

A modular and highly adaptable transmission cell system for the routine and research analysis of liquids, mulls, and pastes

Product Overview

The Specac Omni-Cell system is the most versatile solution for liquid transmission spectroscopy. It features a universal cell body that can be configured as a demountable cell, a sealed cell, or a mull cell, depending on the sample requirements. This modular approach allows laboratories to standardize their liquid sampling hardware while maintaining the flexibility to handle a vast array of chemical types and viscosities.The cell utilizes standard 32 x 3 mm windows, available in a wide selection of materials including KBr, ZnSe, and CaF2. With a broad range of spacers available, users can precisely control the pathlength to optimize the absorbance of neat liquids or dilute solutions. The Omni-Cell’s robust construction and ease of assembly make it a reliable workhorse for quality control and academic research alike

Ordering Information

A complete Omni-Cell consists of the Omni-Cell™ body (GS01800) from the “Omni-Cell™ essentials” table plus at least one of:

  1. A set of rectangular windows & spacers
  2. A set of circular (mull) windows & spacers
  3. A permanently sealed window set

Omni-Cell™ essentials

3”x 2” Omni-Cell™ mounting plate including filling ports and fixing screws plus tools for filling the cell.

Part NumberDescription
GS01800Omni-Cell™ body (3” x 2” slide mounted)
GS011101x Luer syringe (2 recommended)

Demountable Windows

Rectangular or circular (mull) windows sold in pairs. For rectangular windows, there is one window drilled for the sample ports, and one undrilled. Circular windows are not drilled.

Window materialRectangular 41 x 23 mmCircular (mull) 25 mm dia.
NaClGS01810GS01830
KBrGS01811GS01831
CaF2GS01812GS01832
BaF2GS01813GS01833
ZnSe (*)GS01814GS01834
KRS-5GS01815GS01835
Silica (IR) (*)GS01818GS01838
AgBr (*)GS01819GS01839
Silicon (*)GS01820GS01840
Polyethylene (*)GS01821GS01841

(*) includes thin window insert GS01893

Spacers for demountable windows

Spacers for rectangular or circular (mull) window sets made from PTFE or Mylar. Sold as packs of five spacers (except GS01864)

Spacer materialPathlength (mm)RectangularCircular (mull)
PTFE0.05GS01850GS01870
0.1GS01851GS01871
0.2GS01852GS01872
0.5GS01853GS01873
1.0GS01854GS01874
2 each of all the aboveGS01864--
Mylar0.006GS01861GS01881
0.012GS01862GS01882
0.025GS01863GS01883

Permanently sealed windows

Sealed window sets with a fixed pathlength. The windows are sealed together with a stainless-steel spacer using a proprietary technique.

Window material0.025 mm0.05 mm0.1 mm0.2 mm0.5 mm1.0 mm
NaClGS02211GS02221GS02231GS02241GS02251GS02261
KBrGS02212GS02222GS02232GS02242GS02252GS02262
CaF2GS02213GS02223GS02233GS02243GS02253GS02263
BaF2GS02214GS02224GS02234GS02244GS02254GS02264
ZnSeGS02215GS02225GS02235GS02245GS02255GS02265

Spare parts

Part NumberDescription
GS01894Spare set of O-rings
GS01893Spare insert for windows less than 4 mm thick
GS01892Spare set of luer plugs (pair)
GS01891Spare set of quick release nuts (pack of 4)
GS01890Spare set of neoprene gaskets (pair)
GS03620Bottle of Nujol® mulling agent (25 ml)

Product Demonstration

Key Features

  • Universal Body Design: One cell frame supports multiple sampling configurations.
  • Leak-Proof Sealing: Precision-machined components ensure sample integrity.
  • Modular Pathlength: Extensive range of spacers from 0.006 mm to 1.0 mm.
  • Broad Material Support: Compatible with all standard 32 mm infrared windows.
  • Fast Cleanup: Simple disassembly for thorough decontamination between samples

Specifications

Dimensions32 mm x 3 mmCell
MountingStandard 2 x 3" Slide Mount
TypesDemountable, Sealed, Mull
Pathlengths0.006 mm to 1.0 mm
MaterialStainless Steel / Anodized Aluminum
WindowsKBr, NaCl, CaF2, BaF2, ZnSe, etc.

Downloads & Resources

Ready to learn more about Specac Omni-Cell – Universal Demountable Liquid Cell?

Our team is ready to help you find the perfect solution for your spectroscopy needs.

Ask Tigris