blank test - test carried out under specified conditions with all reagents with exception of determined substance to account for content of this substance in reagents used
Это интересно
See on kontrollkatse laboratoorses analüüsis, mis tehakse selleks, et katsetulemustes arvesse võtta fooni või veenduda nende ehtsuses. {12.11.1998}
Umbes 150 mg proovi (m) kaaluda täpselt. Lisada 10 ml lämmastikhapet (3.1) ja proov jätta kolmeks tunniks lagunema õhukindlalt suletud kolvis veevannis (55°C). Aeg-ajalt loksutada. Samal ajal teha pimekatse reaktiividega.
It is usually necessary to differentiate quantitatively between the impurities and additives on the one hand and the low molecular weight species on the other hand. In the case of gravimetric determination, it is also important to perform a blank run using no test substance in order to account for residues arising from the experimental procedure.
