FR669193A - Method and apparatus for the concentration of nitrogen acid - Google Patents

Method and apparatus for the concentration of nitrogen acid

Info

Publication number
FR669193A
FR669193A FR669193DA FR669193A FR 669193 A FR669193 A FR 669193A FR 669193D A FR669193D A FR 669193DA FR 669193 A FR669193 A FR 669193A
Authority
FR
France
Prior art keywords
concentration
nitrogen acid
nitrogen
acid
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
Other languages
French (fr)
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.)
Hercules Powder Co
Original Assignee
Hercules Powder 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 Hercules Powder Co filed Critical Hercules Powder Co
Application granted granted Critical
Publication of FR669193A publication Critical patent/FR669193A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/44—Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR669193D 1928-10-26 1929-02-05 Method and apparatus for the concentration of nitrogen acid Expired FR669193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US669193XA 1928-10-26 1928-10-26

Publications (1)

Publication Number Publication Date
FR669193A true FR669193A (en) 1929-11-13

Family

ID=22072563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669193D Expired FR669193A (en) 1928-10-26 1929-02-05 Method and apparatus for the concentration of nitrogen acid

Country Status (1)

Country Link
FR (1) FR669193A (en)

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