500g bag ALUMINIUM SULPHATE 17% Iron Free Alum - Al2(SO4)3
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Product Description
Aluminium sulphate is used in water purification and as a mordant in dyeing and printing textiles. In water purification, it causes impurities to coagulate which are removed as the particulate settles to the bottom of the container or more easily filtered. When dissolved in a large amount of neutral or slightly alkaline water, aluminium sulfate produces a gelatinous precipitate of aluminium hydroxide, Al(OH)3. In dyeing and printing cloth, the gelatinous precipitate helps the dye to adhere to the clothing fibres by rendering the pigment insoluble. Can change the colour of hydrangeas by reducing the PH value of soil.
Key Features
Aluminium Sulphate in Crystaline form
Iron Free - suitable for use as a dye, mordant, water purifier and jar sterilizer and in paper-making
Can reduce soil PH to change Hydrangea's colour
Suitable for use in Organic Agriculture / Horticulture
Sometimes called Alum or Papermakers Alum.
Product Details
- Brand
- Trustleaf
- Size
- 500g Bag
- Format
- DIY & Tools
- ASIN
- B07P2PHP62
- Domain
- Amazon UK
- Listed Since
- 13 January 2022
