NF T20-291:1982
Sulphuric acid and oleum for industrial use. Determination of total acidity, and calculation of free sulphur trioxide content of oleum. Titrimetric method.
- Standard No.
- NF T20-291:1982
- Release Date
- 1982
- Published By
- Association Francaise de Normalisation
- Latest
- NF T20-291:1982
- Replace
- NF T20-291:1968
NF T20-291:1982 history
- 1982 NF T20-291:1982 Sulphuric acid and oleum for industrial use. Determination of total acidity, and calculation of free sulphur trioxide content of oleum. Titrimetric method.
- 0000 NF T20-291:1968
