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Quadrasil metal scavengers user guide 1

Reaxa QuadraSil TM User Guide November User Guide QuadraSilTM Metal Scavengers Reaxa Ltd Hexagon Tower Blackley Manchester M ZS UK CReaxa QuadraSil TM User Guide November User Guide - QuadraSilTM Metal Scavengers Contents Introduction Product Availabilty QuadraSilTM Range Features and Appearance Guidelines for Use Metal-Contaminated Solutions Metal Scavenging Applications iron chloride copper acetate triphenylphosphinecobalt III chloride copper acetylacetonate palladium acetate copper bromide ROPACTM silver acetate Catalyst Scavenging Example Grubbs catalyst Metal Recovery Storage Appendix QuadraSilTM Selection Guide Page Reaxa Ltd Hexagon Tower Blackley Manchester M ZS UK CReaxa QuadraSil TM User Guide November User Guide - QuadraSilTM Metal Scavengers Introduction The QuadraSilTM range of metal scavengers o ?ers an attractive solution to metal contamination problems associated with pharmaceutical and ?ne chemical processing complementing the QuadraPureTM scavenger resin range The QuadraSil products are functionalized silicas speci ?cally designed for extraction of metal contaminants from organic and aqueous systems As with the QuadraPure range the very low levels of extractable impurities make products particularly suitable for GMP-compliant applications in both batch and continuous processing The QuadraSilTM series are ideal for use in R D applications as they are extremely fast scavengers and easy to isolate by ?ltration A QuadraSilTM metal selector guide is given in the Appendix Reaxa is continually developing the applications of its metal scavengers The Company can also o ?er expertise in using all its metal-scavenger products in ow Customer support in helping solve problems across the chemical industry sectors is a particular strength For further information please contact Reaxa at info reaxa com microscope image of QuadraSil R D quantities of QuadraPure and QuadraSil as well as test kits for screening are available from Sigma-Aldrich at www sigma-aldrich com For technical support bulk quotations and information please contact info reaxa com Reaxa Ltd Hexagon Tower Blackley Manchester M ZS UK CReaxa QuadraSil TM User Guide November QuadraSilTM Range QuadraSil AP functional group NH amino propyl mmol g Aldrich order MP SH mercaptopropyl MTU TA S N NHMe H H N N H methylthiourea NH triamine Features and Appearance ? functionalised spherical mesoporous silicas ? compatible with organic aqueous protic and aprotic media ? extremely fast scavenging ? zero swelling characteristics ideal for use in ?xed bed applications ? surface area m g ? average particle size m ? mechanically and thermally robust microscope images of QuadraSil highlighting the regularity of size and shape The QuadraSilTM particles are highly robust and chemically resistant free- owing silicas The narrow particle size distribution highly spherical shape and zero swell makes these products suitable for use in ?xed bed and cartridge format Reaxa Ltd Hexagon Tower Blackley Manchester M ZS UK CReaxa QuadraSil TM User Guide November Guidelines for Use Note For further detailed user application notes GMP regulatory support data and advice on speci ?c problems please write to info reaxa com Metal- Contaminated Solutions In metal contaminated organic solvents direct addition of QuadraSilTM will e ?ect scavenging Typically add g per ml metal-contaminated solution and leave to gently agitate at