Classifications

• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
  • C01G28/00—Compounds of arsenic
  • C01G28/005—Oxides; Hydroxides; Oxyacids
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
  • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B17/00—Sulfur; Compounds thereof
  • C01B17/69—Sulfur trioxide; Sulfuric acid
  • C01B17/74—Preparation
  • C01B17/745—Preparation from sulfates
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B17/00—Sulfur; Compounds thereof
  • C01B17/69—Sulfur trioxide; Sulfuric acid
  • C01B17/90—Separation; Purification
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B25/00—Phosphorus; Compounds thereof
  • C01B25/16—Oxyacids of phosphorus; Salts thereof
  • C01B25/18—Phosphoric acid
  • C01B25/185—Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
  • C01P2006/00—Physical properties of inorganic compounds
  • C01P2006/80—Compositional purity

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Treatment Of Water By Ion Exchange (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=25988059

Family Applications (2)

Family Applications After (1)

Country Status (7)

Families Citing this family (2)

• 1967
  • 1967-08-17 US US661184A patent/US3576601A/en not_active Expired - Lifetime
• 1968
  • 1968-01-19 GB GB3074/68A patent/GB1163381A/en not_active Expired
  • 1968-05-15 NL NL6806827A patent/NL6806827A/xx unknown
  • 1968-05-15 NL NL6806828A patent/NL6806828A/xx unknown
  • 1968-05-24 BE BE715593D patent/BE715593A/xx unknown
  • 1968-05-24 LU LU56145D patent/LU56145A1/xx unknown
  • 1968-05-24 LU LU56142D patent/LU56142A1/xx unknown
  • 1968-05-27 FR FR1592517D patent/FR1592517A/fr not_active Expired
  • 1968-05-27 ES ES354375A patent/ES354375A1/es not_active Expired
  • 1968-05-27 FR FR1578998D patent/FR1578998A/fr not_active Expired
  • 1968-05-27 BE BE715725D patent/BE715725A/xx unknown

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