Conversii ale unor unitati de masura:
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1. g/ml = mg/μl
2. μg/ml = ng/μl
3. μg/g = μg/ml = ng/mg = pg/μg = 10-6= ppm
4. ng/g = ng/ml = pg/mg = 10-9 = ppb
5. ˚C = 5/9 (˚F - 32)
6. ˚F = (˚C x 9/5) + 32
7. 1 gallon = 1 litru x 0,2642
8. 1 litru = 1 gallon x 3,785
9. 1 pounds = 1 kg x 2,2046
10. 1 kg = 1 pounds x 0,4536
11. 1 oz = 28,35g
12. 1 lb = 453,59g
1 Kj = 1000 jouli
1 Mj = 1000 Kj
1 joul = 0,239 calorii
1 calorie = 4,184 jouli
1 ppm = 1000 ppb
1 ppm = 1mg/kg
1 ppb = 1 μg
