ammonium alum


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ammonium alum

[ə′mōn·yəm ′al·əm]
(inorganic chemistry)
ammonium aluminum sulfate
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Ammonium hydroxide was treated with concentrated sulphuric acid for the preparation of ammonium alum. In this reaction the mole ratios of Al/SO4 were adjusted to 1:2 to 2.4.
Preparation of Industrial Chemicals by Acid Leaching from the Koga Nepheline Syenite, Southern Swat, Lesser Himalayas-Pakistan
Instead of using aluminium chlorohydrate or aluminium zirconium to block pores and prevent sweating the natural deodorants may contain a crystal form or aluminium, known as ammonium alum.
Take a pits stop and change your deodorant; PERSONAL hygiene can be a tricky business. Do you let your underarms go au naturel and risk becoming a bit pongy, or do you dab on deodorant or anti-perspirant as part of your daily routine? But with controversy about chemical smell-stoppers being linked to breast cancer is there a viable alternative? Feature writer KAREN HAMBRIDGE reports
The sections were subsequently stained with various alcoholic dilutions of the dye in acidic, alkaline and neutral media, with the use of 1% acetic acid, potassium ammonium alum and ethanol, respectively.
Tincion de tejidos con extractos de Pterocarpus osun: opcion de un fijador

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