mg/L - milligrams per litre (10-3 g per litre) = mg per 1,000,000mg THUS = ppm
mg/L - milligrams per litre (10-3 g per litre) = mg per 1,000,000mg THUS = ppm μ g/L - micrograms per litre (10-6 g per litre) = ug per 1,000,000,000 ug THUS = ppb Q- A sample of blood has 10μ g of lead per 100mL. What is this concentration in ppm? 1- Work out how many μg in 1L
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