FR1476420A - Réactivation des solutions de grauvre au persulfate d'ammonium - Google Patents

Réactivation des solutions de grauvre au persulfate d'ammonium

Info

Publication number
FR1476420A
FR1476420A FR58208A FR58208A FR1476420A FR 1476420 A FR1476420 A FR 1476420A FR 58208 A FR58208 A FR 58208A FR 58208 A FR58208 A FR 58208A FR 1476420 A FR1476420 A FR 1476420A
Authority
FR
France
Prior art keywords
grauvre
reactivation
solutions
ammonium persulfate
persulfate
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.)
Expired
Application number
FR58208A
Other languages
English (en)
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.)
FMC Corp
Original Assignee
FMC 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 FMC Corp filed Critical FMC Corp
Priority to FR58208A priority Critical patent/FR1476420A/fr
Priority claimed from US61679267 external-priority patent/US3400027A/en
Application granted granted Critical
Publication of FR1476420A publication Critical patent/FR1476420A/fr
Expired 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/46—Regeneration of etching compositions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/06—Peroxyhydrates; Peroxyacids or salts thereof containing sulfur
    • C01B15/08—Peroxysulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00—Compounds of copper
    • C01G3/10—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
FR58208A 1965-04-28 1966-04-19 Réactivation des solutions de grauvre au persulfate d'ammonium Expired FR1476420A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR58208A FR1476420A (fr) 1965-04-28 1966-04-19 Réactivation des solutions de grauvre au persulfate d'ammonium

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US45163565A 1965-04-28 1965-04-28
FR58208A FR1476420A (fr) 1965-04-28 1966-04-19 Réactivation des solutions de grauvre au persulfate d'ammonium
US61679267 US3400027A (en) 1965-04-28 1967-02-17 Crystallization recovery of spent hydrogen peroxide etchants
US65048467A 1967-06-30 1967-06-30

Publications (1)

Publication Number Publication Date
FR1476420A true FR1476420A (fr) 1967-04-07

Family

ID=27444598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58208A Expired FR1476420A (fr) 1965-04-28 1966-04-19 Réactivation des solutions de grauvre au persulfate d'ammonium

Country Status (1)

Country Link
FR (1) FR1476420A (fr)

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