GB/T 11220.1-1989 《Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry》 Related products

GB/T 11220.1-1989 specifies the determination method of uranium in soil. The standard adopts CL-5209 extraction and leaching Resin separation, combined with 2- (5-bromo-2-pyridylazo) -5-diethylamino phenol Spectrophotometric method, spec-trophotometry, clarifies the test principle, instrument reagents, operation steps and result calculation, etc., provides a scientific and standardized process for the accurate determination of uranium content in soil, and has important guiding significance for soil environment detection and uranium resource exploration.