Material Analysis
15 visualizaciones
Bacterial Degradation of CMC Solution
Fenómeno del problema
Viscosity of CMC solution decreases by 30% after 3 days of storage
Análisis de la causa
CMC is a natural polysaccharide and is easily degraded by bacteria; solution preparation utensils are not thoroughly disinfected
Solución
1)Thoroughly disinfect solution preparation utensils; 2)Add 0.01wt% preservative (sodium benzoate); 3)Refrigerate at 4°C after preparation; 4)Shorten use time to no more than 24h
Conclusión clave
CMC aqueous solution is easily degraded by bacteria and needs preservation and refrigeration
¿Le ha resultado útil?
0 personas encontraron esto útil
¡Gracias por sus comentarios!