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Aluminium potassium sulfate dodecahydrate CAS#7784-24-9

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Aluminium potassium sulfate dodecahydrate CAS#7784-24-9
Introduction

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Product Description

High Purity Industrial Grade:Manufactured with a purity of ≥99.5%, ensuring consistent quality for industrial and laboratory applications.


Stable Physical Properties:Colorless crystalline form with negligible vapor pressure and well-defined melting behavior, supporting safe handling and storage.


Excellent Water Solubility:Freely soluble in water, allowing easy preparation of solutions for various applications.


Chemical Stability:Stable under normal conditions, with clear compatibility guidance, ensuring safe and controlled use in chemical systems.


Product Description of ‌Aluminium potassium sulfate dodecahydrate CAS#7784-24-9

Aluminum potassium sulfate dodecahydrate is an industrial-grade product with a purity of ≥99.5%. It occurs as colorless crystals or white odorless powder. It has a melting point of 92.5 °C and decomposes when heated to boiling. Its vapor pressure is negligible at 25 °C, with a relative density of 1.757 at 20 °C. It is freely soluble in water, yet insoluble in ethanol. The product remains stable under conventional conditions, but is incompatible with strong bases and should be stored separately from them.


Product Application of Aluminium potassium sulfate dodecahydrate CAS#7784-24-9

Aluminum potassium sulfate dodecahydrate is a white, water-soluble crystal. It is prepared by roasting alunite in a furnace followed by crystallization purification. In traditional photography, it is used to harden gelatin emulsions. It can be applied by adding into the emulsion, bathing exposed photographic plates prior to development, or incorporating into the fixing bath. Furthermore, when compounded with citric acid or other acids, it can be formulated as a clearing bath to remove developer stains from photographic negatives.

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