JPS5748653A - Analytical method for strong acid and hydrofluoric acid in solution containing complex fluoride ion - Google Patents

Analytical method for strong acid and hydrofluoric acid in solution containing complex fluoride ion

Info

Publication number
JPS5748653A
JPS5748653A JP55123989A JP12398980A JPS5748653A JP S5748653 A JPS5748653 A JP S5748653A JP 55123989 A JP55123989 A JP 55123989A JP 12398980 A JP12398980 A JP 12398980A JP S5748653 A JPS5748653 A JP S5748653A
Authority
JP
Japan
Prior art keywords
acid
solution
concentration
electrode potential
metallic ion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP55123989A
Other languages
Japanese (ja)
Other versions
JPS6339853B2 (en
Inventor
Tomoo Takahari
Hiroshi Arikane
Kiyoshi Matsui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP55123989A priority Critical patent/JPS5748653A/en
Publication of JPS5748653A publication Critical patent/JPS5748653A/en
Publication of JPS6339853B2 publication Critical patent/JPS6339853B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation

Abstract

PURPOSE:To obtain more accurate value of analysis of a free acid, by correcting the dialysis coefficient of the free acid diffusing through an anion exchange membrane by the concentration of a metallic ion. CONSTITUTION:A nitric acid-hydrofluoric acid standard solution B is introduced into a thermostat 2 and diffusion dialysis is carried out in a dialysis bath 3 and then, the solution B is introduced into a measuring apparatus 4. Further, a buffer solution C is added and the solution B is introduced into an acid concentration measuring apparatus 5 and then, electrode potential is inputted into a computer 7. Another standard solution having a different concentration is treated in the same way and K in the formula is calculated by the electrode potential at this time, where Ci is acid concentration of the sample solution, Cs is acid concentration of the standard solution, Vi is electrode potential of the sample solution, Vs is electrode potential of the standard solution. Next, the sample solution A is introduced into the thermostat 2 from a filter 1 and the electrode potential of acid is stored in the computer 7 in the same way. On the one hand, the solution A passed through the filter 1 is introduced into a metallic ion concentration measuring apparatus 6 and the metallic ion concentration is put in the computer 7. A correction coefficient A is read from the curve of memoriezed correction coefficient vs metallic ion concentration and the acid concentration of the sample solution is found by computing the formula.
JP55123989A 1980-09-09 1980-09-09 Analytical method for strong acid and hydrofluoric acid in solution containing complex fluoride ion Granted JPS5748653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55123989A JPS5748653A (en) 1980-09-09 1980-09-09 Analytical method for strong acid and hydrofluoric acid in solution containing complex fluoride ion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55123989A JPS5748653A (en) 1980-09-09 1980-09-09 Analytical method for strong acid and hydrofluoric acid in solution containing complex fluoride ion

Publications (2)

Publication Number Publication Date
JPS5748653A true JPS5748653A (en) 1982-03-20
JPS6339853B2 JPS6339853B2 (en) 1988-08-08

Family

ID=14874280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55123989A Granted JPS5748653A (en) 1980-09-09 1980-09-09 Analytical method for strong acid and hydrofluoric acid in solution containing complex fluoride ion

Country Status (1)

Country Link
JP (1) JPS5748653A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100922564B1 (en) 2002-12-24 2009-10-21 재단법인 포항산업과학연구원 Analysis method of copper ion concentration in copper chloride solution for pickling process
KR100983102B1 (en) 2010-03-30 2010-09-20 전주대학교 산학협력단 Apparatus and method for measurement of hydrofluoric acid in cleaning solutions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100922564B1 (en) 2002-12-24 2009-10-21 재단법인 포항산업과학연구원 Analysis method of copper ion concentration in copper chloride solution for pickling process
KR100983102B1 (en) 2010-03-30 2010-09-20 전주대학교 산학협력단 Apparatus and method for measurement of hydrofluoric acid in cleaning solutions

Also Published As

Publication number Publication date
JPS6339853B2 (en) 1988-08-08

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