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1.
Article in Chinese | WPRIM | ID: wpr-790409

ABSTRACT

Objective To study the stability of sodium nitroprusside for injection in 5% glucose injection and 0 .9%sodium chloride injection ,and provide reference for clinical rational drug use .Methods The content of sodium nitroprusside for injection in different dissolvants(5% glueose ,sodium chloride injection) within 26 h was determined by HPLC .The change of micro particle was measured by light blockage method in accordance with China pharmacopeia(2010 edition) ,and the appearance and UV visible absorption spectroscopy and pH ,the osmotic pressure of the mixtures were observed as well .Results The changes in appearnace ,UV visible absorption spectroscopy ,pH value ,content and microparticle were not significant .Conclusion Sodium nitroprusside for injection were stable within 26 h after mixing with different dissolvants (5% glueose ,sodium chloride injection) .

2.
China Pharmacist ; (12): 1960-1962, 2014.
Article in Chinese | WPRIM | ID: wpr-460017

ABSTRACT

Objective:To investigate the best compatibility plan for nitroprusside sodium for injection. Methods: An L16 (43 × 26 ) orthogonal design was used with four factors:temperature, solvent, solvent volume and time. The content of sodium nitroprusside was detected by HPLC, the insoluble particles were observed by a GWF-5J type particle analyzer, pH was detected by a PHS-2C preci-sion acidity meter, and a comprehensive scoring method was used to optimize the compatibility plan. Results:The optimized compati-bility plan was as follows:50mg sodium nitroprusside was dissolved in 250ml sodium chloride injections, avoiding light and used up in 26h. Conclusion:The plan provides scientific basis for the clinical medication.

3.
China Pharmacist ; (12): 678-681,682, 2014.
Article in Chinese | WPRIM | ID: wpr-598941

ABSTRACT

Objective:To evaluate the compatible stability of sodium nitroprusside for injection ( SNP) in two kinds of solutions (5% glucose and sodium chloride injections) . Methods:A, B, C and D solution of SNP was respectively prepared according to the concentration of clinical use. The stability of SNP solution was studied in different environment with different storing time, and the as-sessment indices included the appearance, insoluble particles, pH value, ultraviolet-visible absorption spectrum and SNP content. Re-sults:The SNP solutions in 5% glucose and sodium chloride injections were stable in 26 hours in photophobic condition at 20℃ and 35℃. Under an incandescent lamp with or without lightproof, the solutions were very unstable. Conclusion:Both sodium chloride and 5% glucose injections can be used as the solvent for SNP with 26h stability. SNP injections prepared and used in clinics should be pre-served away from light to ensure the safety and effectiveness.

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