Soil quality - Determination of cadmium, chromium, cobalt, copper, lead, manganese, nickel and zinc in aqua regia extracts of soil - Flame and electrothermal atomic absorption spectrometric methods— 21 стр.
Soil quality. Determination of trace elements in aqua regia and nitric acid digests. Graphite furnace atomic absorption spectrometry method (GFAAS)— 18 стр.
BS EN ISO 21268-4. Soil quality. Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil materials. Part 4. Influence of pH on leaching with initial acid/base addition— 39 стр.