ATE143496T1 - Überwachung des eisen(ii)gehalts zur korrosionsbestimmung in kesseleinrichtungen - Google Patents

Überwachung des eisen(ii)gehalts zur korrosionsbestimmung in kesseleinrichtungen

Info

Publication number
ATE143496T1
ATE143496T1 AT91306684T AT91306684T ATE143496T1 AT E143496 T1 ATE143496 T1 AT E143496T1 AT 91306684 T AT91306684 T AT 91306684T AT 91306684 T AT91306684 T AT 91306684T AT E143496 T1 ATE143496 T1 AT E143496T1
Authority
AT
Austria
Prior art keywords
iron
monitoring
content
boiler equipment
boiler
Prior art date
Application number
AT91306684T
Other languages
English (en)
Inventor
Claudia C Pierce
Roger W Fowee
Rodney H Banks
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of ATE143496T1 publication Critical patent/ATE143496T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1813—Specific cations in water, e.g. heavy metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
AT91306684T 1990-07-31 1991-07-23 Überwachung des eisen(ii)gehalts zur korrosionsbestimmung in kesseleinrichtungen ATE143496T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56068790A 1990-07-31 1990-07-31

Publications (1)

Publication Number Publication Date
ATE143496T1 true ATE143496T1 (de) 1996-10-15

Family

ID=24238899

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91306684T ATE143496T1 (de) 1990-07-31 1991-07-23 Überwachung des eisen(ii)gehalts zur korrosionsbestimmung in kesseleinrichtungen

Country Status (6)

Country Link
EP (1) EP0469773B1 (de)
AT (1) ATE143496T1 (de)
AU (1) AU635144B2 (de)
CA (1) CA2041800C (de)
DE (1) DE69122329T2 (de)
ES (1) ES2094794T3 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU651603B2 (en) * 1990-07-31 1994-07-28 Nalco Chemical Company On-line analyzer for ferrous ion
NZ250956A (en) * 1993-03-03 1995-04-27 Grace W R & Co Monitoring concentrations of water treatment compositions using absorbance or emission spectra
DE59803591D1 (de) * 1997-04-28 2002-05-08 Siemens Ag Verfahren zum Betreiben eines von einem Medium durchströmten Bauteils und Aufbereitungssystem für ein Medium
US5898002A (en) * 1997-08-22 1999-04-27 Betzdearborn Inc. Method for removing ferric-ferrous oxides from a liquid
US7834178B2 (en) 2006-03-01 2010-11-16 Bristol-Myers Squibb Company Triazine 11-beta hydroxysteroid dehydrogenase type 1 inhibitors
RU2312338C1 (ru) * 2006-10-05 2007-12-10 Государственное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" Способ фотометрического определения железа (ii) в растворах чистых солей и искусственных смесей
RU2349914C1 (ru) * 2008-02-19 2009-03-20 Государственное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" Способ фотометрического определения железа (ii) в растворах чистых солей и искусственных смесей
DE102008041507B4 (de) * 2008-08-25 2010-08-19 Robert Bosch Gmbh Prüfvorrichtung zur quantitativen Bewertung von Korrosion an einem Bauteil
RU2416791C1 (ru) * 2010-03-09 2011-04-20 Государственное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" Способ фотометрического определения железа (ii) в растворах чистых солей и искусственных смесей
US9134238B2 (en) * 2010-12-01 2015-09-15 Nalco Company Method for determination of system parameters for reducing crude unit corrosion
US9453798B2 (en) * 2010-12-01 2016-09-27 Nalco Company Method for determination of system parameters for reducing crude unit corrosion
TWI471546B (zh) 2012-12-17 2015-02-01 Ind Tech Res Inst 地下儲槽系統之腐蝕檢測方法
EP2881735A1 (de) 2013-12-05 2015-06-10 Kittiwake Developments Ltd. Verfahren zur Bestimmung der Konzentration von Eisenionen in Kohlenwasserstoffzusammensetzungen
DE102015212461A1 (de) * 2015-07-02 2017-01-05 Gasunie Deutschland Gmbh & Co. Kg Verfahren zum Aufspüren von Korrosion an erdverlegten Stahlleitungen
WO2018130476A1 (en) * 2017-01-11 2018-07-19 Akzo Nobel Chemicals International B.V. Method for determining iron
CN110146432A (zh) * 2019-05-28 2019-08-20 深圳市水务工程检测有限公司 一种饮用水管材的测试方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770735A (en) * 1970-06-24 1973-11-06 Hach Chemical Co Ferroin reagent and method of making same
US3709662A (en) * 1970-07-20 1973-01-09 Hach Chemical Co Iron analysis reagent formulation
AU651603B2 (en) * 1990-07-31 1994-07-28 Nalco Chemical Company On-line analyzer for ferrous ion

Also Published As

Publication number Publication date
EP0469773B1 (de) 1996-09-25
ES2094794T3 (es) 1997-02-01
EP0469773A2 (de) 1992-02-05
CA2041800A1 (en) 1992-02-01
DE69122329D1 (de) 1996-10-31
AU8121991A (en) 1992-02-06
AU635144B2 (en) 1993-03-11
DE69122329T2 (de) 1997-03-06
EP0469773A3 (en) 1992-10-28
CA2041800C (en) 2003-04-29

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee