There are two main processes for the production of chromate salts in the world, calcium-roasting and non or little calcium roasting.
目前世界铬盐生产中存在着两大类主要的生产工艺，有钙焙烧和少钙或无钙焙烧。
2
It has shown that the antirust properties of calcium phosphite coatings are similar to the red lead antirusting coatings and superior to the zinc chromate or zinc phosphate antirusting coatings.