I'm reading a standard where under the specification for a substance it says:
Solubility in Alcohol: 1 ml in 3 ml 50% alcohol remains clear to 8 ml.
Just wanted to confirm my interpretation: I make a 50-50 Ethanol + Water solution (w/w) and then add 1 ml of test-sample to 3 ml of this solution. This should remain clear.
Then I continue adding more of the alcohol solution till total quantity is 8 ml & throughout the mixture must stay clear?
Is this right? Any comments?
Edit:
Here is a supplier specification from Sigma Aldrich which has a variation of the same wording: