No. Micrograms per millilitre is exactly the same as ppm. There 0.5ppm is 100 times smaller than 50ppm.
Yes it does. Milligram to microgram you multiply by 1000. 0.05x1000 is 50.
Per Jacobsson died on 1963-05-05.
The Name's the Same - 1951 1955-05-05 was released on: USA: 5 May 1955
The Name's the Same - 1951 1953-05-05 was released on: USA: 5 May 1953
05 is the same as 5.0
Per Sundberg was born on 1949-05-08.
Per Grundén was born on 1922-05-23.
Per Günther was born on 1988-02-05.
Per Jacobsson was born on 1894-02-05.
Per Thorén died on 1962-01-05.
Per Engdahl died on 1994-05-04.
Per Wahlöö was born on 1926-08-05.