Handbook; Bill C. Date: January 24, 2021 An adjuvant is an alum compound used to increase the potency and longevity of a vaccine.. Alum is the name generally given to two common salts: potassium aluminum phosphate and ammonium aluminum sulphate. Sandritter W, Riede U, Kiefer G. A method has been elaborated for the demonstration of DNA in the electron microscope. C hromium salts, especially chrome alum and chromium(III) sulfate, are used in chromium-tanning of leather. Stain Technol. We can use it in many home remedies for the treatment of canker sores, cracks in the heels, to get rid of the bad odor, to cure acne and pimples, to reduce the wrinkles on the face and also to get rid of head lice. Pappas PW. In its naturally occurring state, the substance has been used for more than 2,000 years in a wide variety of applications. Potash which is also referred to as aluminum potassium sulfate and is used as an astringent and antiseptic. R.A.Kiper Properties of compounds. The use of a chrome alum-gelatin (subbing) solution as a general adhesive for paraffin sections. The concentration of gelatin and chrome alum in the solution recommended is much lower than in previously described adhesives, but this does not seem to lessen its ability to affix the sections. Chrome alum. Chromic salts have been studied as fixatives of mammalian tissues for light microscopy, and the binding of the metal has been examined histochemically. It is a natural deodorant. The chromium stabilizes the leather by cross linking the collagen fibers. Sources. Potash alum is also widely used as a water purifying agent. Just add your alum to the dye bath, mix well, then add yarn or fibre. The method uses glutaraldehyde fixed tissue pieces from which … 1971 May;46(3):121-4. Alum is one of the most popular mordants used in natural dyeing, as you can dye and mordant all at the same time. It doesn't change the base color of your fiber. Alum powder is beneficial in many ways for hair, skin, and health. Alum (Aluminum Potassium Sulfate): Pretty much, alum is the easiest to find and use, it is less toxic, and it gives what we will call the "base" color. Tissues bind chromium(III) from aqueous solutions less acid than pH 2.5; the metal attaches mainly to collagen and basement membranes. If the concentrations of gelatin and chrome alum are decreased from those described, adhesive qualities are also decreased. The earliest known uses of alum in the Mediterranean area, and indeed anywhere, are referred to in Egyptian records of 2000 B.C. Crystal of mixture pf potassium and chrome alum, coated with a layer of pure potassium alum Chromium(III)-potassium sulfate, Aleksandr Pavlushin, VKontakte Aleksandr Pavlushin VKontakte. If you can’t find alum locally (or just can’t be bothered), you can easily order some via Amazon. 1. Video. Minerals like kalinite and alunite are natural sources of potash alum. 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