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Chromatography & Filtration

Chromatography and Filtration

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 Columns: Column with Rotaflo stopcock
•With PTFE Rotaflo® Stopcock for fine control of eluent flow •Chemically resistant glass sintered disc - porosity 0 •Ground glass socket accepts Quickfit® reservoirs •Manufactured from Pyrex® borosilicate glass   Item Code Effective length mm GP Rotaflo stopcock bore mm Inner Diameter mm Socket size Pack quantity CR10/10 10..
£19.95
 Columns: Columns with ground cone
•With glass sintered disc (porosity 0) to support column packing •Upper socket can be connected to a solvent reservoir •Lower cone can be connected to stopcock adapter CR3T/23 to control eluent flow •Manufactured from Pyrex® borosilicate glass   Item Code Approx. overall length mm Cone size Effective length mm Inner Diameter mm Nominal bore mm Sock..
£19.95
 Columns: Plain column
•Simple and economical column - ideal for educational use •With chemically resistant glass sintered disc •Manufactured from Pyrex® borosilicate glass   Item Code Nominal capacity ml Body O.D. mm Length excluding stem mm Porosity grade Stem length mm Stem OD mm Pack quantity 3775/02M 30 14 ..
£19.95
Columns: Column with Rotaflo stopcock
•With glass sintered disc (porosity 0) to support column packing •GP Rotaflo® stopcock with PTFE key for fine control of eluent flow •Stem within lower cone allows mounting on a Büchner flask for vacuum flash chromatography •Manufactured from borosilicate glass   Item Code Approx. overall length mm Cone size Effective length mm ID mm Inner Diameter mm ..
£19.95
Filtration: Filter pump
•Provides a moderate vacuum (up to 65 mbar) when connected to a water supply •Fitted with a non-return valve to prevent suck-back and flooding •Manufactured from chemically resistant borosilicate glass   Item Code Body diameter mm Overall height mm Pack quantity FRF442 20 240 1   ..
£19.95
Filtration:Filter / Sinter discs
•Complies with ISO 4793 •For use by Glassblowers constructing special apparatus •Manufactured from Pyrex® borosilicate glass for resistance to heat and chemical corrosion •Close control of pore size •Accurate and consistent disc dimensions •High mechanical strength to withstand full vacuum •Convenient packaging   Item Code Nominal diameter mm Porosity grade Pack quanti..
£19.95
Spotting tile
•High quality spotting tile, unbreakable in normal use •12 cavities of approximately 1ml capacity •Economical alternative to ceramics •4mm well depth   Item Code Dimensions mm Pack quantity TWR000P 115 x 95 10   ..
£19.95
Stopcock adapter
•With GP Rotaflo® stopcock having PTFE key for fine control of eluent flow - No lubrication required - No contaminating greases - No chemical corrosion •Ideal for use with Quickfit® CR32: columns   Item Code Approx overall height mm Cone size Socket size Stopcock bore mm Pack quantity CR3T/23 190 24/29 1..
£19.95
Watch glasses
•For evaporation work and covering heated beakers •Manufactured from heat resisting Pyrex® borosilicate glass •Fire-polished edges to reduce chipping and breakage   Item Code Nominal diameter mm Pack quantity 1060/04D 40 10 1060/06D 50 10 1060/09D 60 10 1..
£19.95
Dreschel: Adjustable
•With screwthread joint which allows height adjustment of the dip tube and hence permits use with either 125ml or 250ml Dreschel bottles •To fit MF29: series wash bottles   Item Code Cone size Description Key Sidearm OD mm Thread size To fit bottle Pack quantity MF27/3/13 24/29 Adjustable wash bottle ..
£19.95
Dreschel: Dreschel bottles
•For use with Quickfit® bottle heads •Borosilicate glass for corrosion-free performance •Robust construction   Item Code Capacity ml Description Diameter across flat base Key Overall height mm Socket size Pack quantity MF29/3/125 125 Dreschel bottle, 125ml 102 16, 19 1..
£19.95
Dreschel: Screwthread connections
•Complies with BS 2461 •Drechsel type •With detachable plastic connectors for easy fitting of 9mm bore flexible tubing   Item Code Approx. stem length mm Cone size To fit bottle Pack quantity MF28/3/125/SC 130 24/29 MF29/3/125 1 MF28/3/250/SC 175 24/29 MF29/3/2..
£19.95
Dreschel: Sintered
•Complies with BS 2461 •Sintered dip tube disperses gas into bubbles for greater efficiency •Choice of sinter porosities to achieve fine bubble size   Item Code Cone size Porosity grade Sidearm OD mm Stem length mm To fit bottle Pack quantity MF48/03/125 24/29 0 8 132 MF29/3/125..
£19.95

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