What is talcum powder

There are so many medicinal herbs in the world, and it is inevitable that there are some that we are not familiar with. But as long as we have the spirit of learning throughout our lives, I believe we can slowly learn more medical herbs. In order to help more people understand the main ingredients of talcum powder, we hope that everyone can accumulate more medical knowledge in daily life, which plays an important role in maintaining good health in our lives.

Talcum powder is a common industrial drug and is therefore loved by many people. Below is a detailed introduction to talcum powder. I hope everyone is interested in learning more about it, which will help you better make up for your lack of knowledge and use it correctly.

Talc is an inorganic compound composed of magnesium oxide and silicon oxide in a "combined" form, which also contains trace amounts of magnesium silicate (asbestos) and the like. The main raw material of baby powder is talcum powder. Generally speaking, women should try to use less baby powder, as well as prickly heat powder and scented powder made with talcum powder. Because talcum powder has obvious carcinogenic effects. Talc may also be used in loose powder (also called setting powder), which can absorb excess facial oil and reduce facial shine, making makeup more lasting, smooth and delicate. In addition, talcum powder can also be used in coatings as a filler and thickener.

use:

Used in rubber, plastic, paint, and other chemical industries as a reinforcing and modifying filler.

Features:

Increase the stability of product shape, increase tension strength, shear strength, bending strength, pressure strength, reduce deformation, elongation, thermal expansion coefficient, high whiteness, uniform particle size and strong dispersion.

Take talcum powder and test it according to the identification method under talc, and you will see the same reaction.

Check the pH:

Take 10g of this product, add 50ml of water, boil for 30 minutes, replenish the lost water from time to time, filter, the filtrate should show a neutral reaction when it comes into contact with litmus paper.

Soluble in water:

Take 5g of this product, add 30ml of water, boil for 30 minutes, replenish the lost water from time to time, cool, filter, wash the residue with 5ml of water, combine the washing liquid and the filtrate, evaporate to dryness, dry at 105℃ for 1 hour, and the remaining residue shall not exceed 5mg (0.1%).

Acid soluble matter:

Take 1g of this product, add 20ml of dilute hydrochloric acid, soak at 50℃ for 15 minutes, filter, take 10ml of the filtrate, add 1ml of dilute sulfuric acid, evaporate to dryness, and ignite to constant weight. The remaining residue should not exceed 7.5mg (1.5%).

Iron salts:

Take 10g of this product, add 30ml of water, heat and boil for 30 minutes, replenish the lost water at any time, cool, filter, add 1ml of dilute hydrochloric acid and potassium ferrocyanide test solution to the filtrate, and no blue color should appear immediately.

Blazing Weightlessness:

Take this product and ignite it at 600-700℃ until constant weight is achieved. The weight loss shall not exceed 5.0%.

I believe that after reading this article, you will be very surprised about the production process of talcum powder, because its production process is relatively difficult, and its color is colorless, which is easy to be confused with other items. If we do not understand its main function and judgment method, it will be difficult to make talcum powder better in life, and it will also have a certain impact on our use.