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Liquids, Creams and Gels

The required, common product quality tests described in USP <2> for liquid dosage formats as defined in USP <1151> and in the EP monographs 0672 for oral liquids or 0132 for topical creams and gels
  • <Dark grey digital conductivity meter with black probe for immersing in liquid, currently reading zero on the digital display. Credit> 2209383255 by Source of yours @ Shutterstock <A row of the digital displays of in-line conductivity meters on a purified water plant the nearest one reading 49.94uS/cm and a temperature of 26.0 degrees C. Credit> 1106503172 by Engineer Story @ Shutterstock
    GMP-SOP-Download Laboratory

    USP 645 Conductivity

    $23.00 USD
    $23.00 USD
  • <White digital pH meter on a white lab worktop with an analyst wearing a glove holding the black probe in a glass beaker of purple coloured, clear liquid and getting a reading of pH 7.16. Credit> 95223342 © Puntasit Choksawatdikorn | Dreamstime.com <On a blue sky and wispy cloud background, an analyst checking a pH test strip with a colour chart to determine the orange colour is equivalent to pH 6.8. Credit> AdobeStock_201253305
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    USP 791 pH

    $23.00 USD
    $23.00 USD
  • <A large hemispherical drop of liquid on a black waterproof surface refracting light and displaying inside the drop all the colours of the rainbow. Credit> Freepik <Analyst wearing purple gloves pipetting a sample of clear, blue liquid from a white beaker on a stone effect worktop onto the circular prism of a handheld refractometer. Credit> 210828898 © Powerofflowers | Dreamstime.com
    GMP-SOP-Download Laboratory

    USP 831 Refractive Index

    $23.00 USD
    $23.00 USD
  • <Analyst wearing blue glove about to remove the full pycnometer from the balance which is reading 97.82g and therefore gives a relative density versus water of 0.9782. Credit> 197269980 © Thiago Rocha Dos Santos | Dreamstime.com <Straight sided stainless steel pycnometer cup on a white lab worktop and blurred laboratory background. Credit> Freepik
    GMP-SOP-Download Laboratory

    USP 841 Relative Density

    $23.00 USD
    $23.00 USD
  • <Blue digital Brookfield viscometer sat on white lab worktop with black plastic box set of spindles behind, the viscometer has a revolving spindle at the front inside the glass beaker of clear gel and measures the resistance to determine the viscosity. Credit> 247988677 © Ryzhov Sergey | Dreamstime.com <Non quantitative test for viscosity whether or not the gel stays on the finger or slides off. Credit> AdobeStock_192826437
    GMP-SOP-Download Laboratory

    USP 911 Viscosity

    $23.00 USD
    $23.00 USD