钼的分光光度测定法虽然很多,但灵敏度高,选择性又好的方法为数极少。钼-羚胺-5-Br-PADAP测定钼的选择性好,但灵敏度不够高,ε=4.8×10~4。文献曾提出用硫氰酸盐-罗丹明B荧光光度法和分光光度法测定痕量钼。该法的灵敏度和选择性均很好,但显色液不稳定,发色后要在离心机上离心并立即比色和测定,方法的重现性也不理想。文 Although many molybdenum spectrophotometry, but high sensitivity, selectivity and good method is very small. Molybdenum - andesite amine -5-Br-PADAP determination of molybdenum selectivity, but the sensitivity is not high enough, ε = 4.8 × 10 ~ 4. The literature has proposed the use of thiocyanate-rhodamine B fluorescence spectrophotometry and spectrophotometric determination of trace molybdenum. The sensitivity and selectivity of the method are good, but the color liquid is not stable, after centrifugation on the centrifuge and colorimetric and determination, the method reproducibility is not ideal. Text