TREA

Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup Apparatus specially adapted for such methods

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Industry

  • CPC
  • G01N31/00
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Parent Industries

GPHYSICS G01Measuring instruments G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

Current Industry

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

Sub Industries

G01N31/002Determining nitrogen by transformation into ammonia G01N31/005investigating the presence of an element by oxidation G01N31/007by measuring the quantity of water resulting therefrom G01N31/02using precipitation G01N31/10using catalysis G01N31/12using combustion G01N31/16using titration G01N31/162Determining the equivalent point by means of a discontinuity G01N31/164by electrical or electrochemical means G01N31/166Continuous titration of flowing liquids G01N31/168Determining water content by using Karl Fischer reagent G01N31/18Burettes specially adapted for titration G01N31/20using micro-analysis G01N31/22using chemical indicators G01N31/221for investigating pH value G01N31/222for investigating moisture content G01N31/223for investigating presence of specific gases or aerosols G01N31/224for investigating presence of dangerous gases G01N31/225for oxygen G01N31/226for investigating the degree of sterilisation G01N31/227for nitrates or nitrites G01N31/228for peroxides G01N31/229for investigating time/temperature history
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