How to analyze water-soluble silicon and citrate-soluble silicon
Thread Content
Hello everyone! How are water-soluble silicon and citrate-soluble silicon analyzed? Are there any analysis standards for this? If anyone who knows the answer could let me know, thank you!
This type of analysis generally refers to the testing items for phosphate fertilizers or materials containing inorganic phosphorus. Dissolve the sample in water, filter it, and separate the filtrate from the residue. The silica content of the filtrate was analyzed, and the resulting value represents the water-soluble silica. The filter residue was dissolved in a solution of about 2% citric acid, and then the silicon content was analyzed; the resulting value represents the citrate-soluble silicon.
Reply to 1# snowdfr: Wait until I’ve done the dissolution time experiment before I tell you. It’s best not to prepare samples during this time, otherwise errors may occur.
Are there any guidelines for the analysis of water-soluble silicon? Could we use the method from NY/797-2004, just replacing the hydrochloric acid solution with distilled water, and keeping all the other steps the same? Do you think it works?