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

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.
(目前只有英文)
Polystyrenic Gel Inert Copolymer, Pharmaceutical Grade
我们随时准备就绪的技术支持和服务团队会更进一步,成为您最值得信赖的资源。我们在这里为您服务。
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 |