Delta DS4000土壤分析仪在SIO2不同元素的检测下限Delta DS4000在SIO2下的120秒检测下限(PPM)元素Delta DS4000 (LOD)元素Delta DS4000 (LOD)P 700 - 1000 Se 5~7S 200 - 300 Rb 3Cl 100 - 150 Sr 3K 40 - 50 Zr 3Ca 40 - 50 Mo 3Ti 10~20Ag 40 - 50 Cr1 10~20Cd 8~12Mn 7~10Sn 20 - 25 Fe 10Sb 15 - 20 Ni 20 - 30 Ba2 20 - 30 Cu 10~15Hg 4~8Zn 7~10Pb 4~8As 3~5Mg~5.0%Al2.50%Si2.00%