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Nonhydrolyzable carbon (NHC) and black carbon (BC) were measured upon treatments with the HCl/HF/trifluoroacetic acid method, and with the combustion method at 375 ℃, respectively in three contaminated soils from the urban area of Guangzhou and twenty-tw
Nonhydrolyzable carbon (NHC) and black carbon (BC) were measured upon treatments with the HCl / HF / trifluoroacetic acid method, and with the combustion method at 375 ° C, respectively in three contaminated soils from the urban area of Guangzhou and twenty-tw