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Starna Flow Cells, Type 73.4 series

Semi-Micro, Medium aperture

Description: Starna Spectrophotometer Flow Cells
Physical Configuration: Fully masked cell with rectangular aperture, dimensions see charts below, optimized for the best flow characteristics for instruments with a narrow beam geometry. See a demonstration of sample flow
Primary use: Absorption measurement in useable range (see charts below)
Clear windows: Two
Instrument: Designed for use in spectrophotometers with a beam width up to 4 mm
Path lengths available: 1, 2, 5, 10, 20, 40, 50mm in quartz (10mm only SOG)
Most commonly used path length: 10 mm
Aperture dimensions: 4 mm wide x 11 mm high
Available 'Z' dimensions: 8.5, 15 & 20 mm
Usage note: "Z" dimension is critical as the cell sample compartment must be correctly aligned in the instrument light beam, see chart below
Connections: Glass or quartz tubulations as appropriate, permanently fused to the top of the cell, allow for simple and secure push on or sleeved connections using flexible tubing such as silicone rubber or PVC

"Z" Dimensions of Instrument Manufacturers
Instrument Manufacturer Z Dimension in millimeters Instrument Manufacturer Z Dimension in millimeters
Agilent® 15 mm Perkin-Elmer® 15 mm
Beckman® 8.5 mm Pharmacia® 15 mm
Bio-Rad® 8.5 mm Shimadzu® 15 mm
Eppendorf® 8.5 mm Spectronics® 8.5 mm
Hewlett Packard® 15 mm Turner® 8.5 mm
Hitachi® 8.5 mm Varian® 20 mm

Window material: Special Optical Glass, useable range: 320 to 2500 nm
Starna Path Exterior Interior 'Z' Nominal Number
Catalog Length Width Length Height Width Length Height Dimension Volume Polished
Number mm mm mm mm mm mm mm mm ml Windows
73.4/SOG/10/Z8.5 10 12.5 12.5 38.5 4 10 11 8.5 0.450 2
73.4/SOG/10/Z15 10 12.5 12.5 38.5 4 10 11 15 0.450 2
73.4/SOG/10/Z20 10 12.5 12.5 38.5 4 10 11 20 0.450 2

Window material: Spectrosil Quartz or equivalent, useable range: 170 to 2700 nm
Starna Path Exterior Interior 'Z' Nominal Number
Catalog Length Width Length Height Width Length Height Dimension Volume Polished
Number mm mm mm mm mm mm mm mm ml Windows
73.4/Q/1/Z8.5 1 12.5 12.5 38.5 4 1 11 8.5 0.044 2
73.4/Q/1/Z15 1 12.5 12.5 38.5 4 1 11 15 0.044 2
73.4/Q/1/Z20 1 12.5 12.5 38.5 4 1 11 20 0.044 2
73.4/Q/2/Z8.5 2 12.5 12.5 38.5 4 2 11 8.5 0.088 2
73.4/Q/2/Z15 2 12.5 12.5 38.5 4 2 11 15 0.088 2
73.4/Q/2/Z20 2 12.5 12.5 38.5 4 2 11 20 0.088 2
73.4/Q/5/Z8.5 5 12.5 12.5 38.5 4 5 11 8.5 0.220 2
73.4/Q/5/Z15 5 12.5 12.5 38.5 4 5 11 15 0.220 2
73.4/Q/5/Z20 5 12.5 12.5 38.5 4 5 11 20 0.220 2
73.4/Q/10/Z8.5 10 12.5 12.5 38.5 4 10 11 8.5 0.440 2
73.4/Q/10/Z15 10 12.5 12.5 38.5 4 10 11 15 0.440 2
73.4/Q/10/Z20 10 12.5 12.5 38.5 4 10 11 20 0.440 2
73.4/Q/20/Z8.5 20 12.5 22.5 38.5 4 20 11 8.5 0.880 2
73.4/Q/20/Z15 20 12.5 22.5 38.5 4 20 11 15 0.880 2
73.4/Q/20/Z20 20 12.5 22.5 38.5 4 20 11 20 0.880 2
73.4/Q/40/Z8.5 40 12.5 22.5 38.5 4 40 11 8.5 1.760 2
73.4/Q/40/Z15 40 12.5 22.5 38.5 4 40 11 15 1.760 2
73.4/Q/40/Z20 40 12.5 22.5 38.5 4 40 11 20 1.760 2
73.4/Q/50/Z8.5 50 12.5 52.5 38.5 4 50 11 8.5 2.200 2
73.4/Q/50/Z15 50 12.5 52.5 38.5 4 50 11 15 2.200 2
73.4/Q/50/Z20 50 12.5 52.5 38.5 4 50 11 20 2.200 2
Starna Cells, Inc PO Box 1919 Atascadero, CA 93423 USA
Phone: 805-466-8855 Fax: 805-461-1575 e-mail: sales@starnacells.com