The phrase "some empirical" is grammatically correct and can be used in written English.
Example: "The study found that some empirical evidence supports the theory."
There is some empirical support here.
There were some empirical reasons for this.
There's some empirical truth to these assumptions.
There is some empirical support for this hypothesis.
In the end all this theory needs some empirical ballast.
There is some empirical evidence to support this idea.
In recent years, there's been some empirical support for mild versions of the Whorfian idea.
Humanitarian Outcomes has begun a three-year research programme that aims to provide some empirical data to answer this question.
Sophisticates caricature a taste for outsider art, with some empirical justice, as a sign of patronizing sentimentality and populist resentment.
Some empirical studies do find that arms races are associated with an increased likelihood of war.
Or barring that, at least throw some empirical light on the situation?
