Xuan paper Xuan paper Xuan paper ("xuanzhi" ), or Shuen paper or rice paper, is a kind of paper originating in ancient China used for writing and painting. Xuan paper is renowned for being soft and fine textured, suitable for conveying the artistic expression of both Chinese calligraphy and painting. Xuan paper was first mentioned in ancient Chinese books "Notes of Past Famous Paintings" and "New Book of Tang". It was originally produced in the Tang dynasty in Jing County, which was under the jurisdiction of Xuan Prefecture (Xuanzhou), hence the name Xuan paper. During the Tang dynasty, the paper was often
Blotting paper however filter paper is usually used for litmus strips, generally to allow for the property of diffusion. Drugs active in microgram range, most notably LSD, are commonly distributed on blotting paper. A liquid solution of the drug is applied to the blotting paper, which commonly is perforated into individual doses and artfully decorated with what is known as blotter art. Vanity blotter is blotter art that hasn't been exposed to LSD and is usually sold as a collectible, although inevitably much of this art ends up in illegal distribution. The artwork is printed onto blotter paper and then sometimes perforated