JPS641950A - Method for measuring zinc content of chemical conversion treatment bath for phosphate - Google Patents

Method for measuring zinc content of chemical conversion treatment bath for phosphate

Info

Publication number
JPS641950A
JPS641950A JP63084249A JP8424988A JPS641950A JP S641950 A JPS641950 A JP S641950A JP 63084249 A JP63084249 A JP 63084249A JP 8424988 A JP8424988 A JP 8424988A JP S641950 A JPS641950 A JP S641950A
Authority
JP
Japan
Prior art keywords
sample
zinc content
phosphate
chemical conversion
conversion treatment
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.)
Pending
Application number
JP63084249A
Other languages
English (en)
Other versions
JPH011950A (ja
Inventor
Heinz Dosch
Dieter Hauffe
Horst Gehmecker
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of JPH011950A publication Critical patent/JPH011950A/ja
Publication of JPS641950A publication Critical patent/JPS641950A/ja
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/77—Controlling or regulating of the coating process
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
    • G01N31/162—Determining the equivalent point by means of a discontinuity
    • G01N31/164—Determining the equivalent point by means of a discontinuity by electrical or electrochemical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Chemical Treatment Of Metals (AREA)
JP63084249A 1987-04-09 1988-04-07 Method for measuring zinc content of chemical conversion treatment bath for phosphate Pending JPS641950A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873711931 DE3711931A1 (de) 1987-04-09 1987-04-09 Verfahren zur bestimmung von zink in phosphatierbaedern
DE3711931.1 1987-04-09

Publications (2)

Publication Number Publication Date
JPH011950A JPH011950A (ja) 1989-01-06
JPS641950A true JPS641950A (en) 1989-01-06

Family

ID=6325185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63084249A Pending JPS641950A (en) 1987-04-09 1988-04-07 Method for measuring zinc content of chemical conversion treatment bath for phosphate

Country Status (3)

Country Link
US (1) US4897128A (ja)
JP (1) JPS641950A (ja)
DE (1) DE3711931A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011013211A (ja) * 2009-06-04 2011-01-20 Saitama Univ 亜鉛の簡易定量法
WO2014034178A1 (ja) * 2012-08-27 2014-03-06 株式会社クレハ 重合体の評価方法、および重合体の製造方法
JP2017122650A (ja) * 2016-01-07 2017-07-13 株式会社ニイタカ キレート剤の定量方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920296A1 (de) * 1989-06-21 1991-01-10 Henkel Kgaa Verfahren zur herstellung von mangan- und magnesiumhaltigen zinkphosphatueberzuegen
US5631845A (en) * 1995-10-10 1997-05-20 Ford Motor Company Method and system for controlling phosphate bath constituents
CN104297246B (zh) * 2014-11-03 2017-01-25 武汉钢铁(集团)公司 一种测定铝镁合金粉中镁含量的方法
CN109541129A (zh) * 2018-12-29 2019-03-29 长沙兴嘉生物工程股份有限公司 用电位滴定法测定氧化锌中锌含量的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3479152A (en) * 1965-09-03 1969-11-18 Nalco Chemical Co Chelometric zinc titration
DE3427729A1 (de) * 1984-07-27 1986-01-30 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur aufrechterhaltung des zinkgehaltes in zinkphosphatierbaedern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011013211A (ja) * 2009-06-04 2011-01-20 Saitama Univ 亜鉛の簡易定量法
WO2014034178A1 (ja) * 2012-08-27 2014-03-06 株式会社クレハ 重合体の評価方法、および重合体の製造方法
JP2017122650A (ja) * 2016-01-07 2017-07-13 株式会社ニイタカ キレート剤の定量方法

Also Published As

Publication number Publication date
DE3711931A1 (de) 1988-10-20
US4897128A (en) 1990-01-30

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