The viscosity of hydroxypropyl methylcellulose is measured by BROOKFIELD DV-S rotational viscometer . High precision and good reproducibility ensure good experimental data during the experiment. Small viscosity changes can be measured without using Worried about data read conversion. Double Packed Mottled Waxy Corn
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Application of rotational viscometer in the pharmaceutical industry
Hydroxypropyl methylcellulose is white or yellow powder, odorless and tasteless. It has considerable stability to heat, light and humidity. It can be dissolved in any PH water below 60 °C and 70% ethanol, acetone and different. In a mixed solvent of acetone and dichloromethane, it is insoluble in hot water and more than 60% syrup. Utilizing the properties of the above hydroxypropyl methylcellulose, it has been widely used as a thickener, a solid preparation binder, a film coating agent, a sustained release preparation porogen, a hydrophilic gel, and a solid dispersant. Etc., in order to improve the stability of the drug and the bioavailability of the poorly soluble drug, etc., and hydroxypropyl methylcellulose has been included in the second part of the Chinese Pharmacopoeia 2010 edition.
Pharmaceutical excipients are an important part of pharmaceutical preparations, and their quality and performance determine their application in the pharmaceutical industry. Hydroxypropyl methylcellulose has been used in foods and preparations for more than 40 years and is a polymer material with a wide range of excellent properties. As a high-performance polymer material, does its viscosity in the pharmaceutical industry as a thickener comply with the Chinese Pharmacopoeia?
In the second part of the Chinese Pharmacopoeia, there is a requirement for viscosity control of some pharmaceutical agents. For example, ointments and creams should have appropriate viscosity, while pastes are generally thick, but should be easily applied to the skin or mucous membranes. On, without melting, the viscosity should be small with the seasons. According to the Chinese Pharmacopoeia, hydroxypropyl methylcellulose is measured by a rotational viscometer.
As the world's leading manufacturer of laboratory and online rotary viscometers, BROOKFIELD has become the number one choice for viscosity measurement in most quality control, research and development and production process sectors. For China with a long history and culture, BROOKFIELD has launched a DV-S rotary viscometer tailored specifically for users in the Chinese market. DV-S rotary viscometer combines all the excellent quality and characteristics of the brand. It is imported from the United States and has accurate measurement. It can directly read the viscosity and torque value. It has high precision and good reproducibility. It is better for Chinese experimenters. Operating the imported instrument viscometer, BROOKFIELD specially designed the DV-S rotary viscometer to be a full Chinese operation panel. The DV-S rotary viscometer is easy to operate.
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