The palletizing process with slaked lime, cement clinker and calcined plaster as additive was also introduced. 介绍了以熟石灰、水泥熟料、熟石膏为助剂的成粒工艺。
Results: The arsenic content of the gypsum went beyond the limit and not determined in the calcined plaster. 结果:市售石膏的砷含量超过了《药典》规定限量,煅石膏中未检出砷。
Objective: To study the arsenic content of the gypsum and the calcined plaster. 目的:研究石膏和煅石膏中的砷含量。
The fields of application of calcined FGD gypsum were gypsum wallboard, building plasters, self-leveling floor plaster, etc; 经煅烧的脱硫石膏的应用领域主要有:石膏墙板、建筑灰泥、自流平地板灰泥等;
The phosphogypsum can be calcined into quality building plaster via neutralized with lime, ball milled or water washed, ball milling pretreated. 磷石膏经石灰中和、球磨或水洗、球磨预处理,可煅烧成优等品建筑石膏。
Determination of the arsenic content of the gypsum and calcined plaster 石膏和煅石膏中砷含量的测定