What is primary emulsion

primary emulsion

Primary emulsion: The emulsion is prepared by taking oil, water, and gum, with rapid trituration until a clicking sound is produced and the product becomes white. At this stage, the emulsion is called primary emulsion. it can be prepared either by dry gum method or wet gum method. Types of emulsion and definition An Emulsion … Read more

Identification test for emulsion

Identification test for emulsion

Identification test for emulsion: The Following tests are used to distinguish between o/w and who emulsions. 1. Dilusion Test The emulsion is diluted with water. In case the emulsion remains stable after its dilution it is o/w emulsion. The w/o emulsion breakdown on the addition of water, but is stable on the addition of oil. … Read more

Classification of Emulsifying agents

Classification-of-Emulsifying-agents

Emulsifying agents: An emulsion is a biphasic liquid dosage form in which one of the liquids is broken down into minute globules each surrounded by thin layers of emulgent. The liquid broken down is called the dispersed phase and the liquid in which the globules are dispersed is called the continuous phase. They are two … Read more

Define emulsion, describe the preparation of emulsion

What is Emulsion? The emulsion is a biphasic liquid preparation containing two immiscible liquids, one of which is dispersed as minute globules into the other. The liquid which is converted into minute globules is called the ‘dispersed phase’ and the liquid in which the globules are dispersed is called the ‘continuous phase’. Preparation of Emulsions … Read more

Elixir

elixir

Elixir are liquid oral dosage forms. These are lear sweetened, aromatic, hydro-alcoholic liquids intended for oral use. Elixirs contain, ethyl alcohol, water, glycerin, or propylene glycol, a flavoring agent, and preservative. Types of elixir Method of preparation of an elixirs Elixirs are prepared by dissolving the ingredients in a suitable vehicle with continuous stirring. Adjust … Read more

What is solution

What is solution

The solution is a liquid oral dosage form, administrated through the oral route. It is a homogenous, clear liquid. One (or) more ingredients are dissolved in a suitable solvent to make a dosage form. The solution is a combination of solute and solvent. Solute: Which is dissolved in the medium present “small quantity”. Solvent: This … Read more

Soft gelatin capsule

Preparation of soft gelatin capsule by rotary die process Soft Gelatin Capsule: These are used for the administration of liquid medicaments. Soft gelatin capsules are available in round, oval, and tube-like shapes. They are made from gelatin. The gelatin is plasticized by the addition of glycerin and sorbitol etc. The soft gelatin shell may contain … Read more

Hand operated Capsule filling machine

Hand operated Capsule filling machine

Hand operated Capsule filling machine Consists of: The empty capsules are filled in the loading tray and it is placed over the bed. The cam handle is operated to separate the capsule caps from their bodies. The powder tray is placed in a proper position and filled with an accurate quantity of powder with the … Read more

Capsule

Capsule

Capsule is defined as the solid dosage form, in which the drug substance is enclosed in a water soluble shell. This shell is made from gelatin. Types of capsules: Hard Gelatin Capsules: These are used for administration of solid medicaments. The capsule shell is prepared from gelatin, colour and titanium dioxide to make it opaque. … Read more

Uncoated tablets

Uncoated tablets

Uncoated tablets: A single layer (or) more than one layer of formulation that consists of active ingredients and recipients compressed together without any additional coat. Also, no other treatment is given to such tablets after compression. Types of uncoated tablets Modified tablets These tablets deliver a drug with a delay after its administration. These are … Read more