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I use Durapore membrane PVDF 0.45µ (Ref HVLP04700). You can scrape off the 
barite nicely from the filter.










Loreto Morales Rojas

Laboratorio de Isotopos Estables

Departamento de Laboratorios

Servicio Nacional de Geología y Minería



(56-2) 24963106

Til Til 1993, Ñuñoa. Santiago

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 <http://www.sernageomin.cl/> www.sernageomin.cl













De: Stable Isotope Geochemistry [mailto:[log in to unmask]] En nombre 
de GROCKE, DARREN R.
Enviado el: lunes, 30 de julio de 2018 6:33
Para: [log in to unmask]
Asunto: [ISOGEOCHEM] Filter paper for BaSO4



Hello

For those precipitating BaSO4 - what filter paper do you use? and which 
filter paper to avoid?





Cheers

Darren





Dr Darren R. Gröcke
Director of SIBL - Stable Isotope Biogeochemistry Laboratory
Durham University

@GrockeSIBL

https://scholar.google.co.uk/citations?user=kYv6BFcAAAAJ