煤质技术
煤質技術
매질기술
Goal Quality Technology
2015年
z1期
28-31
,共4页
煤中磷%磷钼蓝分光光度法%混合溶液%显色温度%影响因素%准确度
煤中燐%燐鉬藍分光光度法%混閤溶液%顯色溫度%影響因素%準確度
매중린%린목람분광광도법%혼합용액%현색온도%영향인소%준학도
phosphorus in coal%phosphorus molybdenum blue spectrophotometric method%mixture solution%coloration temperature%influencing factors%degree of accuracy
结合磷钼蓝分光光度法的原理、测定步骤及煤中磷测定的实际经验，从灰样酸解、待测溶液的吸取体积、显色温度控制、显色时间控制、混合溶液的现用现配、杂质元素的干扰、氢氟酸的使用等方面探讨了磷钼蓝法测定煤中磷的影响因素，以确保提高磷钼蓝分光光度法测定煤中磷含量的准确度。
結閤燐鉬藍分光光度法的原理、測定步驟及煤中燐測定的實際經驗，從灰樣痠解、待測溶液的吸取體積、顯色溫度控製、顯色時間控製、混閤溶液的現用現配、雜質元素的榦擾、氫氟痠的使用等方麵探討瞭燐鉬藍法測定煤中燐的影響因素，以確保提高燐鉬藍分光光度法測定煤中燐含量的準確度。
결합린목람분광광도법적원리、측정보취급매중린측정적실제경험，종회양산해、대측용액적흡취체적、현색온도공제、현색시간공제、혼합용액적현용현배、잡질원소적간우、경불산적사용등방면탐토료린목람법측정매중린적영향인소，이학보제고린목람분광광도법측정매중린함량적준학도。
Combined with the principle and determination steps of phosphorus molybdenum blue spectrophotometric method, and practical experience of determining phosphorus in coal, the influencing factors of determining phosphorus in coal using phosphorus molybdenum blue spectrophotometric method was discussed in this paper from aspects such as ash sample acid solution, absorbing volume of test solution, coloration temperature and time control, mixing solution making when needed, interference of impurity element, use of hydrofluoric acid.So the accuracy of determination of phosphorus content in coal could be improved.
