Testing of glass; grain method for determination of the hydrolytic resistance of glass as a material at 98 °C and classification of glass into hydrolytic classes— 4 стр.
Testing of petroleum products; determination of the lead content (total lead) of liquid mineral oil hydrocarbons with a mass fraction of lead of 50 to 1000 µg/kg; iodine monochlorid disentegratien; extraction with dithizone and photometric determination of the lead dithizone complex— 5 стр.