ISO/TC 47
Projekta Nr. | ISO 7100:1983 |
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Nosaukums | <p>A yellow complex is formed by reaction of the vanadium present in a test portion with phosphoric acid and sodium tungstate in acid medium. The spectrometric measurement of the absorbance is carried out at a wavelength of about 425 nm. The method is applicable to products having a vanadium content equal to or greater than 3 mg/kg.</p> |
Reģistrācijas numurs (WIID) | 13685 |
Darbības sfēra | <p>A yellow complex is formed by reaction of the vanadium present in a test portion with phosphoric acid and sodium tungstate in acid medium. The spectrometric measurement of the absorbance is carried out at a wavelength of about 425 nm. The method is applicable to products having a vanadium content equal to or greater than 3 mg/kg.</p> |
Statuss | Atcelts |
ICS grupa | 67.220.20 71.060.30 |