DEVELOP EXCELLENT ANALYTICAL SKILLS IN PHARMA QC

  Please find classification of zones with the temperature and humidity condition. ICH Stability Zones Zone Type of Climate Zone I Temperate zone Zone II Mediterranean/subtropical zone Zone III Hot dry zone Zone IV Hot humid/tropical zone Zone IVb ASEAN testing conditions hot/higher humidity   Long Term Testing Conditions Climatic Zone Temperature Humidity Minimum Duration Zone I 21ºC ± 2ºC 45% Rh ± 5% rH 12 Months Zone II 25ºC ± 2ºC 60% Rh ± 5% rH 12 Months Zone III 30ºC ± 2ºC 35% Rh ± 5% rH 12 Months Zone IV 30ºC ± 2ºC 65% Rh ± 5% rH 12 Months Zone IVb 30ºC ± 2...

  Today’s topic Molarity of Concentrated Reagents Hello friends Please find below details, for preparing normal or molar solution using the concentrated reagents. By using this technique sure you can prepare any strength volumetric solution, without any reference. Just remember the simple equation and normality strength of the concentrated reagents . Preparation details provided below the table  DILUTIONS TO MAKE A 1 MOLAR/NORMAL SOLUTION Concentrated Reagents Density Molarity (M) Normality (N) Volume (mL) required to make 1000 mL solution: 1M 1N Acetic acid 99.5%  1.05 17.4 17.4 57.5 57.5 Ammonia 35% 0.880 18.1 18.1 55.3 55.3 Ammonia 25% 0.910 13.4 13.4 74.6 74.6 Hydrochloric acid 36% ...