FIELD: chemistry.
SUBSTANCE: two characteristic parameters of the concentrate are measured. One of the parameters is temperature, and the other is density of the concentrate corresponding to the temperature. Calculation of the overall concentration of carbamide and formaldehyde is carried out using the corresponding formula.
EFFECT: shortening the duration of analyses and their metrological authenticity.
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|
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| METHOD OF PRODUCTION OF ANTIPYRINE | 2004 |
|
RU2270752C1 |
