FIELD: analytical chemistry. SUBSTANCE: sample of vegetable origin under test is processed with flow of hydrogen chloride at temperature of 400 to 500 C for 20 to 30 minutes, then mass of carbon residue is found and introduced in flow of air at temperature in flame of evaporator of atomic absorption spectrophotometer of 1000 to 1100 C. Time required for determination is 30 minutes. EFFECT: enhanced accuracy. 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF INTRODUCING MATTER INTO ATOMIZING UNIT AT ATOMIC ABSORPTION ANALYSIS OF THE MATTER | 1990 |
|
RU2018805C1 |
| METHOD AND DEVICE FOR ATOMIZATION OF SPECIMEN IN ATOMIC ABSORPTIVE ANALYSIS | 1992 |
|
RU2094760C1 |
| METHOD FOR SAMPLE PREPARATION OF PLANT RAW MATERIAL WITH HIGH OIL CONTENT FOR ELECTROTHERMAL ATOMIC ABSORPTION ANALYSIS | 2016 |
|
RU2645995C2 |
| METHOD OF IDENTIFICATION OF NOBLE METALS IN SULFIDE ORES AND THEIR PROCESSING PRODUCTS | 2008 |
|
RU2365644C1 |
| METHOD OF SAMPLES PREPARATION FOR DETERMINATION OF LEAD CONTENT IN PYROLYSIS LIQUID | 2018 |
|
RU2694355C1 |
| METHOD OF SOLID GOLD MATRIX ANALYSIS FOR MERCURY CONTENT | 2007 |
|
RU2342648C1 |
| METHOD OF PREPARING FOOD RAW FOR FURTHER ANALYTICAL DETERMINING OF ELEMENT | 0 |
|
SU1730554A1 |
| METHOD OF DETERMINING TIN AND MOLYBDENUM | 0 |
|
SU903297A1 |
| METHOD FOR DETERMINATION OF CONCENTRATION OF POTASSIUM IONS IN COMPOUND FERTILIZERS | 2016 |
|
RU2634074C1 |
| METHOD FOR VEGETABLE OIL SAMPLE PREPARATION FOR DETERMINATION OF THEIR MICROELEMENT COMPOSITION BY SPECTRAL METHODS | 2018 |
|
RU2688840C1 |
