Light black or black powder, water and alcohol insoluble, but acid soluble.
Yttrium oxide of phosphor grade--Determination of acid soluble silicon dioxide--Molybdenum blue photometric method
The application of HTHP acid soluble and broken down appraisal instrument to the evaluation of protecting reservoir completion fluid
The repeatability and durability of the method to determine the contents of acid soluble substances in medical talc powder (MTP) and the main influence factors are discussed in this paper.
