The most dominant male birds in the area is the first to break the night-time silence with their call, followed by the second most dominant. Cockerels (like those abve) call in the morning according to the social hierarchy of the flock, with the most dominant male crowing first, according to a study.
A low-precision gravimetric titration can achieve 10,000.the same. reproducibility as a titration with a 50 mL volumetric buret. It requires less reagent quantities, it is faster and less. complicated titration for the students and the teacher, and the equipment. is far less expensive.
The amount of storage space required is also reduced. Used with a two-place laboratory balance, the results of. gravimetric titrations performed with the squeeze-bottle buret will. be comparable to, or better in reproducibility than, the use of a. 50 mL volumetric buret. drop count.