浓度单位换算表.doc

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1、浓度单位换算表1microgram(µg)=1x10-6grams(g)1gallon(gal)美国加仑=3.Liters(L)英国加仑-->升×4.55imperialgallonstoliters×4.551milligram(mg)=0.001grams(g)1µg/mL=1partpermillion(ppm)=1µg/g*1kilogram(kg)=1000grams(g)=2.205lbs.1µg/L=1partperbillion(ppb)1pound(lb)=453.59237grams(g)1mg/mL=1000ppm=1mg/g*1millili

2、ter(mL)=0.001Liters(L)1mg/L=1ppm=1000ppb1Liter(L)=1000milliliters(mL)1ppb=0.001ppm=1000ppt1Liter(L)=0.gallons(gal)1ppt=0.001ppb=1x10-6ppm*Byweight Ratio%g/l(mg/ml)ppm(mg/kg)ppbExponent1:10011010000--1X10-21:2000.555000--5X10-31:5000.222000--2X10-31:10000.111000--1X10-31:20000.050.5500-

3、-5X10-41:50000.020.2200--2X10-41:100000.010.1100--1X10-41:200000.0050.0550--5X10-51:500000.0020.0220--2X10-51:0.0010.0110100001X10-51:0.00050.005550005X10-61:0.00020.002220002X10-61:1Mio0.00010.001110001X10-61:2Mio0.000050.00050.55005X10-71:5Mio0.000020.00020.22002X10-71:10Mio0.000010.

4、00010.11001X10-71:20Mio0.0.000050.05501X10-81:50Mio0.0.000020.02202X10-81:100Mio0.0.000010.01101X10-81:200Mio0.0.0.00555X10-91:500Mio0.0.0.00222X10-91:1Mrd0.0.0.00111X10-9