China Cheap price Aluminium Coagulants - Aluminum Sulfate – Yuncang

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China Cheap price Aluminium Coagulants - Aluminum Sulfate – Yuncang Detail:

Aluminum sulfate is a salt with the formula Al2(SO4)3. It is soluble in water and is mainly used as a coagulating agent in the purification of drinking water and wastewater treatment plants, and also in paper manufacturing. Our Aluminium Sulphate has powder granules, flakes, and tablets, we also can supply no-ferric, low-ferric, and industrial grade.

Aluminum sulfate exists as white, lustrous crystals, granules, or powder. In nature, it exists as the mineral alunogenite. Aluminum sulfate is sometimes called alum or papermaker’s alum.

Chemical formula	Al2(SO4)3
Molar mass	342.15 g/mol (anhydrous) 666.44 g/mol (octadecahydrate)
Appearance	White crystalline solid Hygroscopic
Density	2.672 g/cm3 (anhydrous) 1.62 g/cm3(octadecahydrate)
Melting point	770 °C (1,420 °F; 1,040 K) (decomposes, anhydrous) 86.5 °C (octadecahydrate)
Solubility in water	31.2 g/100 mL (0 °C) 36.4 g/100 mL (20 °C) 89.0 g/100 mL (100 °C)
Solubility	slightly soluble in alcohol, dilute mineral acids
Acidity (pKa)	3.3-3.6
Magnetic susceptibility (χ)	-93.0·10−6 cm3/mol
Refractive index(nD)	1.47[1]
Thermodynamic data	Phase behaviour: solid–liquid–gas
Std enthalpy of formation (ΔfH⦵298)	-3440 kJ/mol

Packing: lined with plastic bag, outer woven bag. Net weight: 50 kg bag

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Aluminium Coagulants