I was first drawn to the Vandyke process when I became dissatisfied with the lack of variety and character of the baryta base of conventional gelatin-silver photographic papers....
This gas is absorbed by barium hydroxide solution, an alkaline solution known as baryta water.
Our real photo baryta inkjet paper is created through a desire to replicate as closely as possible the essence, quality and archival properties of traditional photography within an inkjet product.
Origin
Early 19th century: from baryte, on the pattern of words such as soda.