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if the test substance is not soluble, dispersible or emulsifiable in organic solvents, 10 g of a mixture of fine ground quartz sand and a quantity of test substance necessary to treat 500 g dry weight of artificial soil are mixed with 490 g of dry weight of test substrate.
jei bandomoji medžiaga netirpsta, ir negali būti disperguota ar emulguota organiniuose tirpikliuose, 10 g smulkaus malto kvarco ir bandomosios medžiagos, kiek jos reikia 500 g sauso dirbtinio dirvožemio apdoroti, mišinys maišomas su 490 g sauso bandomojo substrato.