Foodstuffs. Determination of trace elements. Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion
State system for ensuring the uniformity of measurements. Natural gas. Volumetric heat (energy) of combustion. Method for measurement using the bomb calorimeter
Fodder, mixed fodder and animal feed raw staff. Determination of crude protein, crude fiber, crude fat and moisture by near-infrared spectroscopy method
