浓度单位换算表
1 microgram (μg) = 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 μg/mL = 1 part per million (ppm) = 1 μg/g*
1 kilogram (kg) = 1000 grams (g) = 2.205 lbs.
1 μg/L = 1 part per billion (ppb)
1 pound (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
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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)
ppb
Exponent
1:100
1
10
10000
--
1X10-2
1:200
0.5
5
5000
--
5X10-3
1:500
0.2
2
2000
--
2X10-3
1:1000
0.1
1
1000
--
1X10-3
1:2000
0.05
0.5
500
--
5X10-4
1:5000
0.02
0.2
200
--
2X10-4
1:10000
0.01
0.1
100
--
1X10-4
1:20000
0.005
0.05
50
--
5X10-5
1:50000
0.002
0.02
20
--
2X10-5
1:100000
0.001
0.01
10
10000
1X10-5
1:200000
0.0005
0.005
5
5000
5X10-6
1:500000
0.0002
0.002
2
2000
2X10-6
1:1Mio
0.0001
0.001
1
1000
1X10-6
1:2Mio
0.00005
0.0005
0.5
500
5X10-7
1:5Mio
0.00002
0.0002
0.2
200
2X10-7
1:10Mio
0.00001
0.0001
0.1
100
1X10-7
1:20Mio
0.000005
0.00005
0.05
50
1X10-8
1:50Mio
0.000002
0.00002
0.02
20
2X10-8
1:100Mio
0.000001
0.00001
0.01
10
1X10-8
1:200Mio
0.0000005
0.000005
0.005
5
5X10-9
1:500Mio
0.0000002
0.000002
0.002
2
2X10-9
1:1Mrd
0.0000001
0.000001
0.001
1
1X10-9
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