焦磷酸质量法测定粉尘中游离二氧化硅含量的方法改进与经验探讨

Improvement and experience of pytophosphate quality method for determination of free silica content in dust

目的改进测定工作场所粉尘中游离二氧化硅含量的测定方法。方法采用焦磷酸质量法。结果可有效提高结果的准确性,缩短检测时间,减少偶然误差与系统误差,避免因粉尘性质判断失误而影响结果的可能性。结论在保证准确性的基础上提高了检测效率。

Objective To improe the method for determination of free silica content determination of dust in the workplace. Methode The pyrophosphate quality method. Results It can effectively improve the accuracy of the results,shorten the testing time,reduce the accidental error and system error,avoid the dust properties affect the outcome of the possibility of mistakes. Conclusion on the basis of keeping the accuracy to improve the detection efficiency.