To know type of emulsion formed, prepared emulsion was diluted with water which was external /continuous phase.9 pH of the emulsions was measured by digital pH meter. Drug content was measured by dissolving known quantity of emulsion in methanol and stirring for 4 hrs. Absorbance was measured at 297 nm in UV/VIS spectrophotometer. Viscosity of emulsions was determined by using Brookfield’s viscometer (spindle No.4). The prepared emulsion was centrifuged at ambient temperature and at 5000 rpm for 10 mins to evaluate the system for creaming or phase separation.10 (link)
Viscometer spindle no 4
Manufactured by Ametek
The Viscometer (spindle No.4) is a lab equipment used to measure the viscosity of liquids. It employs a rotating spindle to determine the resistance of the liquid to flow, which is a measure of its viscosity. The spindle size and rotation speed can be adjusted to accommodate different viscosity ranges.
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Lab products found in correlation
2 protocols using viscometer spindle no 4
1
Characterization of Emulsion Formulations
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To know type of emulsion formed, prepared emulsion was diluted with water which was external /continuous phase.9 pH of the emulsions was measured by digital pH meter. Drug content was measured by dissolving known quantity of emulsion in methanol and stirring for 4 hrs. Absorbance was measured at 297 nm in UV/VIS spectrophotometer. Viscosity of emulsions was determined by using Brookfield’s viscometer (spindle No.4). The prepared emulsion was centrifuged at ambient temperature and at 5000 rpm for 10 mins to evaluate the system for creaming or phase separation.10 (link)
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To know type of emulsion formed, prepared emulsion was diluted with water which was external /continuous phase.9 pH of the emulsions was measured by digital pH meter. Drug content was measured by dissolving known quantity of emulsion in methanol and stirring for 4 hrs. Absorbance was measured at 297 nm in UV/VIS spectrophotometer. Viscosity of emulsions was determined by using Brookfield’s viscometer (spindle No.4). The prepared emulsion was centrifuged at ambient temperature and at 5000 rpm for 10 mins to evaluate the system for creaming or phase separation.10 (link)
2
Characterization of Emulgel Formulations
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Emulgels were evaluated by sensory evaluation for clarity, colour, homogeneity, drug content, presence of particles and fibres. pH was determined with a digital pH meter at room temperature. Viscosity was determined by using Brookfield’s viscometer (spindle No.4).
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Emulgels were evaluated by sensory evaluation for clarity, colour, homogeneity, drug content, presence of particles and fibres. pH was determined with a digital pH meter at room temperature. Viscosity was determined by using Brookfield’s viscometer (spindle No.4).
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