农场土壤和污水处理厂淤泥总凯氏氮、硝态氮、氨氮以及铜、铅和铝的测定
利用土壤重金属富集和迁移因子确定蔬菜的潜在吸收量Using soil heavy metal enrichment and mobility factors to determine potential uptake by vegetabkes使用格哈特Gerhardt公司凯道森Kjeldatherm消化系统,特博索Turbosorg涤气系统和维普得Vapodest 30凯氏定氮蒸馏仪检测总凯氏氮、硝态氮、氨氮Gerhardt Kjeldtherm digestion system, Turbosorg scrub unit and Vapodest 30 distilling (TKN, NO3-N, and NH4-N)每种混合物中的样品用王水(3盐酸+硝酸)消化,以确定铜、铅和铝的浓度。Samples from each mixture were also digested with aqua regia(3 HCl + HNO3) to determine concentrations of Cu, Pb and Al (aluminum).