Chemical Testing Procedure
Simple distillation is one of the most fundamental techniques used in chemistry to separate and purify liquids. This method is based on differences in boiling points and is commonly applied in laboratories for purifying water, is…
Preparation of 0.5M Disodium Acetate Solution Weigh 18.6 gm of disodium edetate in a 1000 ml volumetric flask add sufficient water to dissolve properly and dilute to 1000 ml with water. Standardize the solution in the following…
The iodine value of a substance is defined as the weight of iodine absorbed by 100 parts by weight of the substance. The method determines the Iodine Value for soap and soap noodles . APPARATUS Burette Beaker Separating flask O…
The LV Brookfield viscometer is dial reading (analog) type. It is supplied with spindles suitable for most applications within the viscosity range of the instrument. {tocify} $title={ In this Article } APPARATUS a). LV Brookfiel…
Due to the contraction at the edge of the notch or weir, the value of actual discharge is theoretically reduced. Derivation of Notch and Weir formula by immersion of velocity. Let the discharge constant be Cd {tocify} $title={ …
To lay down the procedure for sampling method for micro testing . There are 4 basic methods for sampling methods for micro testing enumerating micro-organisms on surfaces, the swab-rinse, the rinse, the agar contact, and direc…
This method applies to estimating Phenolic content in Perfume Premixes as well as Bar soap. d etermination of Total Phenolic Content. {tocify} $title={ Table of Contents } Principle Phenolic compounds are extracted from per…
The method determines the level of microbial contamination in water . T otal bacteria count process water. Total coliform count method. Principal of Total Bacteria Count: Water is added to an R2A agar specific for water sampl…
This method is applicable for the determination of cineole and menthol in production concentrates , finished goods (including aerosols), and raw materials. And d eterminations may be conducted individually or on both analytes si…
The method test methods were carried out in the analysis of Sodium Sulphate . Sodium sulphate assay by Ion Exchange Method and Gravimetric Method. REFERENCE EP 97 - European Pharmacopoeia. Health & Safety Data Sheets for Re…