You can download the ASTM D6307 PDF from the ASTM website or other online sources.
The test apparatus consists of a pressure gauge, a calibrated vessel, and a sample container. astm d6307 pdf
ASTM D6307 is a standard test method that covers the determination of the air content of freshly mixed concrete. The test method is used to evaluate the air content of concrete, which is an important factor in determining its durability and resistance to freezing and thawing. You can download the ASTM D6307 PDF from