1000ml class A borosilicate glass volumetric flask Tolerance ±0.300 ml Comes with solid glass No. 22 stopper 12.5" height and 3.5" flat base In compliance with ASTM-E288 ...

At each test interval, 3.75 mL of suspension from each bottle was pipetted into a separate 50-mL volumetric flask. About 25 mL of HPLCgrade water was added to each flask, and the flasks were ...