WS-171PT Sample Dilution Instructions能力验证样品:含Al130-2500ug/l, Sb6-50ug/L, As5-50ug/L, Ba500-3000ug/L, Be1-10ug/L, Cd2-50ug/L, cr50-2000ug/L, Fe100-1800ug/L, Pb5-100ug/L, Mn40-900ug/L Mo15-130ug/L, Ni10-500ug/L, Se10-100ug/L, Ag20-300ug/L, Tl2-10ug/L, V315-2500ug/L, Zn400-2500ug/L.在这样的介质里检测Pb和Cd,用石墨炉
原子吸收检测结果满意,加与不加基体改进剂结果都一样,相差不超过3%。但是用原子荧光法检测干扰大,特别是测镉时,需要加硫脲和抗坏血酸。