prov:value
| - The pore-forming solids have a size of about 0.1 to 200 microns and they include alkali metal salts such as lithuim carbonate, sodium chloride, sodium bromide, sodium carbonate, potassium chloride, potassium sulfate, potassium phosphate, sodium benzoate, sodium acetate, sodium citrate, potassium nitrite, and the like.
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