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Starna® - Standard Rectangular Cells with PTFE stopper

Standard Rectangular Cells with PTFE stopper Starna Type 21 Standard Rectangular cells are just like the Type 1 cells except that they have a stopper top. The exterior dimensions allow them to be used in virtually every spectrophotometer or photometer instrument. All cells have two polished windows and a "ground taper" type PTFE stopper. The joint is liquid tight for short periods (up to about 12 hours) and allows for easy mixing. If a tighter seal or septum seal is required, see the screw cap and septum cap rectangular cells.
Window material Optical Glass, usable range: 334 to 2500nm
Starna Catalogue Path Length Ext Width Ext Length Ext Height Int Width Int Length Nom Vol Polished
Number mm mm mm mm mm mm ml Windows
21/G/1 1 12.5 3.5 55 10 1 0.400 2
21/G/2 2 12.5 4.5 55 10 2 0.700 2
21/G/5 5 12.5 7.5 48 10 5 1.700 2
21/G/10 10 12.5 12.5 48 10 10 3.500 2
21/G/20 20 12.5 22.5 48 10 20 7.000 2
21/G/40 40 12.5 42.5 48 10 40 14.000 2
21/G/50 50 12.5 52.5 48 9.5 50 17.500 2
21/G/100 100 12.5 102.5 48 9 100 35.000 2

Window material Special Optical Glass, usable range: 320 to 2500nm
Starna Catalogue Path Length Ext Width Ext Length Ext Height Int Width Int Length Nom Vol Polished
Number mm mm mm mm mm mm ml Windows
21/SOG/1 1 12.5 3.5 55 10 1 0.400 2
21/SOG/2 2 12.5 4.5 55 10 2 0.700 2
21/SOG/5 5 12.5 7.5 48 10 5 1.700 2
21/SOG/10 10 12.5 12.5 48 10 10 3.500 2
21/SOG/20 20 12.5 22.5 48 10 20 7.000 2
21/SOG/40 40 12.5 42.5 48 10 40 14.000 2
21/SOG/50 50 12.5 52.5 48 9.5 50 17.500 2
21/SOG/100 100 12.5 102.5 48 9 100 35.000 2

Window material UV Silica, usable range: 220 to 2500nm
Starna Catalogue Path Length Ext Width Ext Length Ext Height Int Width Int Length Nom Vol Polished
Number mm mm mm mm mm mm ml Windows
21/HH/10 10 12.5 12.5 48 10 10 3.500 2

Window material Spectrosil Quartz or equivalent, usable range: 170 to 2700nm.
Starna Catalogue Path Length Ext Width Ext Length Ext Height Int Width Int Length Nom Vol Polished
Number mm mm mm mm mm mm ml Windows
21/Q/1 1 12.5 3.5 55 10 1 0.400 2
21/Q/2 2 12.5 4.5 55 10 2 0.700 2
21/Q/5 5 12.5 7.5 48 10 5 1.700 2
21/Q/10 10 12.5 12.5 48 10 10 3.500 2
21/Q/20 20 12.5 22.5 48 10 20 7.000 2
21/Q/40 40 12.5 42.5 48 10 40 14.000 2
21/Q/50 50 12.5 52.5 48 9.5 50 17.500 2
21/Q/100 100 12.5 102.5 48 9 100 35.000 2
21-N/Q/10 10 12.5 12.5 45 10 100 3.000 2

Window material Infrasil Quartz or equivalent, usable range: 220 to 3800nm
Starna Catalogue Path Length Ext Width Ext Length Ext Height Int Width Int Length Nom Vol Polished
Number mm mm mm mm mm mm ml Windows
21/I/1 1 12.5 3.5 55 10 1 0.400 2
21/I/2 2 12.5 4.5 55 10 2 0.700 2
21/I/5 5 12.5 7.5 48 10 5 1.700 2
21/I/10 10 12.5 12.5 48 10 10 3.500 2
21/I/20 20 12.5 22.5 48 10 20 7.000 2
21/I/40 40 12.5 42.5 48 10 40 14.000 2
21/I/50 50 12.5 52.5 48 9.5 50 17.500 2
21/I/100 100 12.5 102.5 48 9 100 35.000 2

Window material Suprasil® Quartz or equivalent, usable range: 190 to 3500nm
Starna Catalogue Path Length Ext Width Ext Length Ext Height Int Width Int Length Nom Vol Polished
Number mm mm mm mm mm mm ml Windows
21/SX/1 1 12.5 3.5 55 10 1 0.400 2
21/SX/2 2 12.5 4.5 55 10 2 0.700 2
21/SX/5 5 12.5 7.5 48 10 5 1.700 2
21/SX/10 10 12.5 12.5 48 10 10 3.500 2
21/SX/20 20 12.5 22.5 48 10 20 7.000 2
21/SX/40 40 12.5 42.5 48 10 40 14.000 2
21/SX/50 50 12.5 52.5 48 9.5 50 17.500 2
21/SX/100 100 12.5 102.5 48 9 100 35.000 2
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