Abstract：The effects of copper and zinc ions upon the precipitation of barium sulphate have been noted for a long time.However,the results published were either not systematic(3,4b,5,6) or obtained under conditions apart from usual analytical practice(7,8).
梁树权, 沈天慧, 刘惠. 硫酸钡定硫法Ⅶ铜离子及锌离子的影响[J]. 化学学报, 1953, 19(4): 147-152.
SHU-CHUAN LIANG, TIEN-HUI SHEN, HUI LIU. Gravimetric Determination of Sulphur as Barium Sulphate Ⅶ. Effect of Cupric and Zinc Ions. Acta Chimica Sinica, 1953, 19(4): 147-152.