Accelerate your biologic drug development with Praesto®
chromatography resins.
With 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.
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Polystyrenic Gel Inert Copolymer, Pharmaceutical Grade
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| 聚合物骨架 | Gel polystyrene crosslinked with divinylbenzene | |
| 外观 | Non-aggregated spherical beads, white to off-white in color | |
| < 150 µm (max.) | 0.01 % | |
| 250 – 350 µm (min.) | 95 % | |
| Particle Size Range | 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.) | 50 ppm | |
| Impurities Heavy Metals (max.) | 10 ppm | |
| Total Aerobes | < 10 cfu/g | |
| Total Moulds | < 10 cfu/g | |
| Total Yeasts | < 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 | |
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