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Abstract
Bismuth oxychloride (BiOCl) is produced as a by-product of refining lead, copper and tin. It is a crystalline inorganic compound and is chemically related to arsenic and antimony but it is considered to be less toxic than its counterparts.
The chemical reaction between bismuth oxychloride and iodine under a low-frequency LED light has been investigated. The photocatalytic activity of the reacted product was examined under different wavelengths and it was found that the iodine concentration was necessary for the reaction to be performed efficiently.
Moreover, the effect of light on the reaction was studied to determine if the BiOCl OV catalyst surface was capable of absorbing and producing new ions under visible light irradiation. The photocatalytic ionization of the oxidizing agent was observed during light irradiation and the amount of new nitrite and nitrate ions on the reacted surface increased over time.
In order to obtain high quality luminous and perlmutt products, bismuth oxychloride is used in Hartwachsversiegler, Losungmittel- und wasserlosliche Lacke, Kunstfasern and light-resistant plastic formmassen. The resulting products are very durable and can be subjected to a variety of processes, such as presses, extrusions or spritzes.
Bismuth oxychloride can be used as an effective pearlizing agent to produce a glossy finish and has a soft, silky, smooth feel. However, if you are using it on your face or as a foundation you may find it has an unnatural glowy appearance and may not be ideal for sensitive skin types including acne and rosacea.