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並前往https://environment.des.qld.gov.au/__data/assets/pdf_file/0022/90148/data-handling-units-and-concentrations.pdf

data-handling-units-and-concentrations.pdf

mL -1 μg/μL or μg.μL-1. Parts per million ppm mg/kg or mg.kg-1 μg/g or μg.g-1 mg/L or mg.L-1 μg/mL or μg.mL-1 ng/μL or ng.μL-1. Parts per billion ppb.

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