ทำความรู้จักกับสารส้มขุ่นผง (Aluminium Sulphate)
Alum (Aluminium Sulphate) Alum is a chemical salt with white crystals, slightly opaque, odorless, resistant to environmental conditions, and highly soluble in water. When the alum dissolves in water, it causes the pH to decrease but is still safe to the touch and the health of users, so it is commonly used to treat water or general ...
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