ferric oxalate การใช้

Like many oxalates, ferric oxalate has been investigated as a short term treatment for dentin hypersensitivity.
The use of ferric oxalate allows for both extended shadow definition ( higher DMAX ) and contrast control.
While Van dyke brown and argyrotype use ferric ammonium citrate, the light-sensitive element used for the Kallitype is ferric oxalate.
He used a very complicated printing process called platinotype, which is a monochrome photographic printing process based on the light-sensitivity of ferric oxalate on " Arche " paper.
Willis introduced the " hot bath " method where a mixture of ferric oxalate and potassium chloroplatinate are coated onto paper which is then exposed through a negative and developed in a warm solution of potassium oxalate.