In this application note, you will learn sample preparation steps needed for the dropping point measurement of cosmetic petroleum jelly using METTLER TOLEDO’s dropping point apparatus.
White paste of petroleum jelly is mostly used as an ointment and a protective cream for the skin, which is usually compounded in various cosmetics. The yellow petroleum jelly, on the contrary, is greasy, stringent and known for its adhesive properties. Refined petroleum jelly is safe for consumer use; however, unrefined petroleum jelly may contain harmful ingredients. Therefore, it is essential to monitor the quality of your final products. The dropping point measurement is one of the techniques used to serve this purpose.
Sample preparation is done by melting the substance. It is then transferred into the previously warmed cups, followed by sufficient cooling. It is ensured that the sample is uniformly filled by removing any excess substance with a spatula.
Dropping point measurement is done by heating the sample under a controlled temperature program. When the first droplet of the molten substance escapes from a standardized cup, this is detected as a dropping point measurement.
Download our free application note and benefit from our knowledge on measuring the dropping point of petroleum jelly.
Disclaimer: The description of products and services contained in this document is a summary only, and may not contain all terms and conditions relevant to the specific product/service offering. Although we seek to ensure the accuracy of the information contained in this document, we continuously develop our products and services and information in this document may not be valid at a future date, including information about pricing, performance, and other terms and conditions. The purchase of our products/services is subject to the full terms and conditions set out on www.mt.com/legal, as well as any more detailed product specificiations and materials.