Classifications

• • 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
  • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
  • G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration

Landscapes

• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Physics & Mathematics (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Analytical Chemistry (AREA)
• Biochemistry (AREA)
• General Physics & Mathematics (AREA)
• Immunology (AREA)
• Pathology (AREA)
• Plasma & Fusion (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Molecular Biology (AREA)
• Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9407715

Family Applications (1)

Country Status (6)

Families Citing this family (2)

• 0
  • NL NL77721D patent/NL77721C/xx active
  • BE BE493806D patent/BE493806A/xx unknown
  • NL NL676704306A patent/NL151565B/xx unknown
• 1949
  • 1949-02-10 FR FR1011453D patent/FR1011453A/fr not_active Expired
• 1950
  • 1950-02-08 GB GB3279/50A patent/GB668237A/en not_active Expired
  • 1950-02-09 CH CH291248D patent/CH291248A/fr unknown
  • 1950-02-10 DE DES1626A patent/DE909157C/de not_active Expired

Also Published As

Similar Documents