Bioprocessing
Accelerate your biologic drug development with Praesto®
chromatography resins.

Accelerate your biologic drug development with Praesto®
chromatography resins.
As a global leader in resin technology, we develop and manufacture small beads that are used in the most regulated industries in the world to separate, remove or recover very specific elements and compounds.
Learn MoreWith 40 years of manufacturing expertise and 30 years of regulatory experience, we supply leading separation, purification and extraction technologies to support chromatography and biocatalysis applications in healthcare and life sciences.
Learn moreWe are a world leader in resin-based separation, purification and extraction technology, that provides sustainable solutions for our environment, businesses and healthcare.
Learn Morepolistirenic Gel Inert Copolymer, Pharmaceutical Grade
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Structura polimerica | Gel polystyrene crosslinked with divinylbenzene | |
Aspect | Non-aggregated spherical beads, white to off-white in color | |
< 150 µm (max.) | 0.01 % | |
250 – 350 µm (min.) | 95 % | |
Distribuția granulometrică | 250 - 350 µm | |
Loss on drying (max.) | 0.5 % | |
Residual styrene (max.) | 50 ppm | |
Residual divinylbenzene (max.) | 50 ppm | |
Residual ethylvinylbenzene (max.) | 50 ppm | |
Residual solvent – methanol (max.) | 100 ppm | |
Impurități de metale grele (max.) | 10 ppm | |
Total aerobi | < 10 cfu/g | |
Total fungi | < 10 cfu/g | |
Total drojdii | < 10 cfu/g | |
Escherichia coli | Negative/ 10 g g | |
Salmonella species | Negative/ 10 g g | |
Pseudomonas aeruginosa | Negative/ 10 g g | |
Staphylococcus aureus | Negative/ 10 g g | |
Bacterial endotoxin test (max.) | 0.5 EU/g | |
Identification (FTIR) | Conform to Standard |