The Lead and Cadmium Content of the Soil and Vegetables Extraction and Flame Ion Absorption Method
ZHOU Min~1 (1.Changsha Environment Protection Technical College,Changsha 410004,China)
Then at the same condition,determine the lead cadmium content of the soil and and vegetable samples by flame ion spectrum method.Observe the extraction time the laying time the dose of TOA.KI.Hydrochloric acid and ascorbic acid.After this, inspect the influence of acid dose and the change of the metal ion(calcium.magnesium,iron etc.)underthe same experimental circumstance.
【CateGory Index】： X830