Recent questions tagged pharmaceutics-i

Description : Draw the labelled diagram of “Fluidized bed dryer” and state its disadvantages.

Last Answer : Fluidized bed dryer. Disadvantages:   1) Production of fines 2) Generation of electrostatics charges amongst the particles  3) Contamination due to erosion of pipes and vessels due to abrasion by particles.

Description : Give any two application of fluidized bed dryer.

Last Answer : i. It gives high drying rate.  ii. Suitable for thermolabile material.  iii. Drying takes place of individual particles.  iv. Temperature can be controlled.  v. Prevent the risk of migration of soluble material.  vi. It can mostly used for drying of granules.

Description : Write short note on i. Cyclone separator. ii. Fluidized bed dryer. 

Last Answer : Cyclone Separator Principle: Centrifugal force Construction1) Cyclone separator is size separation device 2) It consists of a cylindrical vessel with a conical base. 3) The upper part of ... are produced 3) High friction between practices generate electrostatic charges. Diagram:  

Description : Write short note  i. Filter aid. ii. Ayurvedic dosage form.

Last Answer : Filter aid Definition:   These are the substance which reduces the resistance of filtrate to flow. Objective: prevent the blocking of filter medium by forming open porous cake. It is used mainly ... milk and 32 parts of water till the milk alone remains. The decoction is then strained.

Description : Write short note on i. Metafilter. ii. Additives used in tablet formulation.

Last Answer : Metafilter: Construction: It consists of grooved, drainage rod on which a number of metallic ring are packed. The rings are usually of stainless steel and have 0.8 mm outer thickness, 15 mm ... sticking e.g. Mg stearate, steraric acid etc. 8. Colors, flavors and sweetening agents: