| 摘要 |
FIELD: chemistry.SUBSTANCE: applied is water solution of nitrous acid salt, which is applied on surface of concrete product, quantity of nitrous acid salt in water solution is taken in dose from one to ten moles of nitrous acid salt per one mole of carbamide, and water content in solution from 10 to 90%.EFFECT: development of fundamentally new and effective method of processing concrete products for purification from carbamide, extension of assortment of means for processing concrete products.5 cl, 1 tbl, 1 ex |
