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Citation: HAN Fuqin, WANG Lili, SONG Haiyan, CAO Jingjing, GUO Li. Solution to the Problem of Spectrophotometric Determination of the Solubility Product Constant of Lead Iodide[J]. University Chemistry, ;2019, 34(4): 61-65. doi: 10.3866/PKU.DXHX201807031 shu

Solution to the Problem of Spectrophotometric Determination of the Solubility Product Constant of Lead Iodide

Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University, Harbin 150040, P. R. China

Received Date: 13 July 2018

Experimental procedure is improved to solve problems of spectrophotometric determination of the solubility product constant of lead iodide. With the improved method, experimental drugs and pollution are reduced, and experimental steps and data analysis are simplified, while keeping the accurate determination. With the derivation, calculation and drawing according to the thermodynamic formula, the linear equation of the relationship between lnK_sp^Θ and 1/T is given, which can estimate the accuracy of the test results at different temperatures.
- Solubility product constant,
- Experimental improvement,
- Spectrophotometry,
- Linear equation
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