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1、浓度单位换算表 1 microgram (g) = 1 x 10 -6 grams (g) 1 gallon (gal) 美国加仑 = 3.7854118 Liters (L) 英国加仑 - 升 4.55 imperial gallons to liters 4.55 1 milligram (mg) = 0.001 grams (g) 1 g/mL = 1 part per million (ppm) = 1 g/g* 1 kilogram (kg) = 1000 grams (g) = 2.205 lbs. 1 g/L = 1 part per billion (ppb) 1 pound
2、(lb) = 453.59237 grams (g) 1 mg/mL = 1000 ppm = 1 mg/g* 1 milliliter (mL) = 0.001 Liters (L) 1 mg/L = 1 ppm = 1000 ppb 1 Liter (L) = 1000 milliliters (mL) 1 ppb = 0.001 ppm = 1000 ppt 1 Liter (L) = 0.26417205 gallons (gal) 1 ppt = 0.001 ppb = 1 x 10 -6 ppm * By weight Ratio%g/l(mg/ml)ppm(mg/kg)ppbEx
3、ponent1:10011010000-1X10-21:2000.555000-5X10-31:5000.222000-2X10-31:10000.111000-1X10-31:20000.050.5500-5X10-41:50000.020.2200-2X10-41:100000.010.1100-1X10-41:200000.0050.0550-5X10-51:500000.0020.0220-2X10-51:1000000.0010.0110100001X10-51:2000000.00050.005550005X10-61:5000000.00020.002220002X10-61:1
4、Mio0.00010.001110001X10-61:2Mio0.000050.00050.55005X10-71:5Mio0.000020.00020.22002X10-71:10Mio0.000010.00010.11001X10-71:20Mio0.0000050.000050.05501X10-81:50Mio0.0000020.000020.02202X10-81:100Mio0.0000010.000010.01101X10-81:200Mio0.00000050.0000050.00555X10-91:500Mio0.00000020.0000020.00222X10-91:1Mrd0.00000010.0000010.00111X10-9
