[Determination of small quantities of lead and zinc in nitrate media without their previous separation].
D000388:Air; D006801:Humans; D007854:Lead / Q000032:analysis*; D009566:Nitrates; D009589:Nitrogen Oxides; D015032:Zinc / Q000032:analysis*
D009566:Nitrates; D009589:Nitrogen Oxides; D007854:Lead; D015032:Zinc
AIR; LEAD/determination; ZINC/determination
Opredelenie malykh koiichestv svintsa i tsinka v azotno-kisloi srede bez predvaritel'nogo ikh razdeleniia.