Powders The degree of coarseness or fineness of a powder is diffentiated and expressed by reference to the nominal mesh aperture size of the sieves used. The following terms are used in the description of powders: COARSE POWDER A powder […]
Gas Chromatography SUPPORTS Diatomaceous Support (Diatomaceous Earth; Siliceous Earth) White or almost white, fine granular powder made up of siliceous frustules of fossil diatoms or debris of fossil diatioms. It may be identified by microscopic examination with a magnification of x500.(Note Use a suitable grade available such as Celite 545.) Diatomaceous Support, Acid-washed Diatomaceous support that has […]
Acetic Anhydride-Sulfuric Acid TS A mixture of 9 volumes of acetic anhydride and 1 volume of sulfuric acid. Ammonia TS It contains 9.5 to 10.5 per cent w/w of NH3. Prepare by diluting 400 mL of strong ammonia solution with water to make 1000 mL. Store at a temperature not exceeding 20°. Ammonium Molybdate TS A 10.0 per cent w/v solution of ammonium molybdate. […]
Methyl Red C15H16ClN3O2 = 305.76 Dark red powder or violet crystals. Sparingly soluble in water; soluble in ethanol. Transition interval: from pH 4.2 to 6.3. Colour change: from red to yellow. Methyl Red TS Dissolve 10 mg of methyl red in 100 mL of ethanol, and filter if necessary. Phenolphthalein C20H14O4 = 318.33 White or faintly yellowish white, crystalline powder. Insoluble in water; soluble […]
H2O 18.02 7732-18-5 PURIFIED WATER IN BULK Category Pharmaceutic aid. Purified Water in Bulk is prepared by means of distillation, ion exchange or any other appropriate method, from water that […]
In this Pharmacopoeia, all concentrations of volumetric solutions are expressed in terms of molarity. The molarity of a solution is stated as the number of moles of substance contained in 1000 mL of the solution. A solution which contains x moles of substance per 1000 mL is designated as x molar (x M). […]
The information given in the general notices provides the basic guidelines for the interpretation and applications of the standards, tests, assays and other specifications of the Thai Herbal Pharmacopoeia. In the text of the Thai Herbal Pharmacopoeia the word “Pharmacopoeia” means the Thai Herbal Pharmacopoeia. The official abbreviation for the […]
Chairpersons: Director General, Department of Medical Sciences, Ministry of Public Health Vimol Notananda (deceased), M.D., M.P.H. T.M. (1979) Manasvi Unhanand (deceased), M.D., Dp. Bact., M.P.H. T.M., Dr, P.H. (1979-1982) Nadhirat Sangkawibha (deceased), M.D., M.P.H. (1982-1985) Somsak Varakamin, M.D., Ph.D. (1985-1986) Ulit Leeyavanija, M.D., M.P.H. (1986-1988) Than Phuying […]
In 1989, the Thai Pharmacopoeia Committee appointed the Subcommittee on the Establishment of the Thai Herbal Pharmacopoeia with the mission of establishing the Thai Herbal Pharmacopoeia, a companion publication to existing Thai Pharmacopoeia. The Subcommittee’s responsibilities are: selecting appropriate herbal drugs and herbal drug preparations based on public health and industrial demand for further […]
Humans have known to utilize plants, animals and minerals around them to prevent and treat a myriad of ailments since pre-historic times. Likewise, traditional practices and herbal drugs have been used for thousands of years around the globe. It is believed that most of the world’s population relies on traditional medicine and herbal drugs for […]
