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Precipitation of Microparticulate Organic Pigment Powders by a Supercritical Antisolvent Process

✍ Scribed by Hong, Lei; Guo, JiZhi; Gao, Yong; Yuan, Wei-Kang


Book ID
126234504
Publisher
American Chemical Society
Year
2000
Tongue
English
Weight
243 KB
Volume
39
Category
Article
ISSN
0888-5885

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Gas antisolvent (GAS) expansion of dirnethylsulfoxide (DMSO) and N,N-dimethylformamide (DMFA) solutions with supercritical carbon dioxide was used to produce biologically active powders of insulin. Powders with 90% of the particles smaller than 4 prn and 10% smaller than 1 pm were obtained under all