氟硅酸制备氟化钾联产白炭黑中氟的测定方法  

A Method for Determination of Fluorine in Silica Produced by Preparation of Potassium Fluoride from Fluorosilicic Acid

作　　者：余慧茹 彭桦 张江坤 姜威 朱丽萍 倪迎华 李有华 甘海轩 陈凡永 杜雄雁 李应荣 Yu Huiru;Peng Hua;Zhang Jiangkun;Jiang Wei;Zhu Liping;Ni Yinghua;Gan Haixuan;Li Youhua;Chen Fanyong;Du Xiongyan;Li Yingrong(Phosphorus resources development and utilization engineering technology research center of Yunnan phosphating group;Yunnan Sanhuan Sinochem chemical fertilizer Co.,Ltd.;Phosphorus chemical business department of Yunnan phosphating Group Co.,Ltd.,Kunming 650600,China)

机构地区：[1]云南磷化集团磷资源开发利用工程技术研究中心,云南昆明650600 [2]云南三环中化化肥有限公司,云南昆明650600 [3]云南磷化集团有限公司磷化工事业部,云南昆明650600

出　　处：《云南化工》2022年第4期74-76,共3页Yunnan Chemical Technology

基　　金：云南省磷化工节能与新材料重点实验室,2019。

摘　　要：利用超声波辅助,测定了白炭黑中的氟。本法绝对误差在0.08~0.19之间,相对标准偏差RSD=0.404%,加标回收率在98.60%~101.80%,检测结果良好,方法简单可靠。Fluorine in silica was determined by using ultrasonic aid.The absolute error of this method is between 0.08 and 0.19,and the relative standard deviation RSD is 0.404%,The recovery of standard addition is 98.60%-101.80%,and good detection results are obtained.The method is simple and reliable.

关 键 词：白炭黑 氟测定 超声波消解 氟硅酸制备氟化钾 

分 类 号：O65[理学—分析化学]