DE1817217A1 - Kesselsteinentfernungsmittel - Google Patents

Kesselsteinentfernungsmittel

Info

Publication number
DE1817217A1
DE1817217A1 DE19681817217 DE1817217A DE1817217A1 DE 1817217 A1 DE1817217 A1 DE 1817217A1 DE 19681817217 DE19681817217 DE 19681817217 DE 1817217 A DE1817217 A DE 1817217A DE 1817217 A1 DE1817217 A1 DE 1817217A1
Authority
DE
Germany
Prior art keywords
hydrazine
thiourea
component
means according
copper
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
DE19681817217
Other languages
German (de)
English (en)
Inventor
Hiroshi Ueki
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.)
KURITA INDUSTRIAL CO Ltd
Original Assignee
KURITA INDUSTRIAL CO Ltd
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 KURITA INDUSTRIAL CO Ltd filed Critical KURITA INDUSTRIAL CO Ltd
Publication of DE1817217A1 publication Critical patent/DE1817217A1/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)
DE19681817217 1967-12-27 1968-12-27 Kesselsteinentfernungsmittel Pending DE1817217A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8380067 1967-12-27

Publications (1)

Publication Number Publication Date
DE1817217A1 true DE1817217A1 (de) 1969-08-14

Family

ID=13812715

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681817217 Pending DE1817217A1 (de) 1967-12-27 1968-12-27 Kesselsteinentfernungsmittel

Country Status (4)

Country Link
DE (1) DE1817217A1 (enrdf_load_stackoverflow)
FR (1) FR1603596A (enrdf_load_stackoverflow)
GB (1) GB1257177A (enrdf_load_stackoverflow)
MY (1) MY7300332A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07109515B2 (ja) * 1988-09-26 1995-11-22 富士ゼロックス株式会社 電子写真感光体からセレン層を除去する方法

Also Published As

Publication number Publication date
MY7300332A (en) 1973-12-31
FR1603596A (enrdf_load_stackoverflow) 1971-05-03
GB1257177A (enrdf_load_stackoverflow) 1971-12-15

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