A standard curve was prepared by weighing standard solutions of C, GC, EGC, EC, EGCG, and ECG purchased from Sigma-Aldrich (Sigma, Milwaukee, WI, USA) in 70% (v/v) methanol.
For the TSS analysis, well-mixed samples with a volume of 10 mL were filtered through weighed standard glass-fiber filters (Whatman GF/C, diameter 47 mm).
Total suspended solids (TSS) was analysed by filtering a 100 mL volume of a well-mixed water sample through a weighed standard glass-fibre filter.
The Kansas State Board of Education is weighing new standards, drafted by supporters of intelligent design, that would encourage schoolteachers to challenge Darwinism.
king such information from Amazon continued pursuing their requests after weighing the standards of the Tattered Cover decision, Mr. Zapolsky said.
The American Civil Liberties Union is weighing new standards that would discourage its board members from publicly criticizing the organization's policies and internal administration.
There is pushing and shoving as a worker appears at the window to hand out plastic bags of the rough, round flat loaves - each weighing a standard 160 grams (5.5oz)- to customers.
The sources of error in the HPLC measurement of mass may include the weighing of standard, preparation of the calibration curve solutions, injection, chromatography, and UV detection.
Average daily food intake was estimated by weighing the standard mouse chow in each cage over at least 4 wk.
