ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G01N0021710000 thermally excited 1
G01N0021720000 using flame burners 1
G01N0021730000 using plasma burners or torches 1
G01N0021740000 using flameless atomising, e.g. graphite furnaces 1
G01N0021750000 Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated (systems in which material is burnt in a flame or plasma G01N0021720000, G01N0021730000) 1
G01N0021760000 Chemiluminescence; Bioluminescence 1
G01N0021770000 by observing the effect on a chemical indicator 1
G01N0021780000 producing a change of colour 1
G01N0021790000 Photometric titration 1
G01N0021800000 Indicating pH value 1
G01N0021810000 Indicating humidity 1
G01N0021820000 producing a precipitate or turbidity 1
G01N0021830000 Turbidimetric titration 1
G01N0021840000 Systems specially adapted for particular applications 1
G01N0021850000 Investigating moving fluids or granular solids 1