EN
Determonation of selected pesticides, nitrates, nitrited, ammonium ions, sulphates and urea in ground and underground waters and ceratin agricultural products. Part IV
RU
Oprdelenie izbrannijakh pesticidov, nitratov, nitritov, ionov ammonija, sul'fatov, mogevinja v poverkhnostnykh i podzemnykh vodakh a takzhe v nekotorykh sel'ckokhozjajjstvennykh produktakh. Chast' IV