Determination of lead content in thallium (dithizone benzene extraction absorptiometry)
GB/T 2592.6-1981 history
1981GB/T 2592.6-1981 Thallium--Determination of lead content--Dithizone extraction photometric method
GB/T 2592.6-1981 Thallium--Determination of lead content--Dithizone extraction photometric method was changed to YS/T 569.6-2006 Determination of lead content in thallium (dithizone benzene extraction absorptiometry).