For citations:
Zamuruev O.V., Petrovich O.M., Vovk A.I., Tyurina L.A., Dubyakov T.V. Determination of formaldehyde in polymethylene naphthalene sulphonates using gas-liquid chromatography. Industrial laboratory. Diagnostics of materials. 2015;81(10):24-26. (In Russ.)