这个是BS 6748食品接触材料标准里的一段话，实在理解不了，望各位老师帮忙翻译一下：

Fill the conditioned sample with 4 % V/V
acetic acid solution (A.1.4) at 22 ± 2 °C to a level no
more than 1 mm from the overflow point, measured
from the upper rim of the sample, and to no more
than 6 mm from the extreme edge of a sample with
a flat or sloping rim. Samples which cannot be filled
should be completely immersed in the minimum
amount of 4 % V/V acetic acid.