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A blank solution is a solution containing little to no analyte of interest, [1] usually used to calibrate instruments such as a colorimeter. According to the EPA, the "primary purpose of blanks is to trace sources of artificially introduced contamination." [2] Different types of blanks are used to identify the source of contamination in the ...
In finance, a spread trade (also known as a relative value trade) is the simultaneous purchase of one security and sale of a related security, called legs, as a unit.Spread trades are usually executed with options or futures contracts as the legs, but other securities are sometimes used.
Generally Accepted Accounting Principles (GAAP) [a] is the accounting standard adopted by the U.S. Securities and Exchange Commission (SEC), [1] and is the default accounting standard used by companies based in the United States.
A financial ratio or accounting ratio states the relative magnitude of two selected numerical values taken from an enterprise's financial statements.Often used in accounting, there are many standard ratios used to try to evaluate the overall financial condition of a corporation or other organization.
Cell spreaders. In microbiology, a cell spreader or plate spreader is a tool used to smoothly spread cells and bacteria on a culture plate, such as a petri dish.. Cell spreaders can be made from glass, plastic, or metal, and come in various shapes.
In accounting, a basis of accounting is a method used to define, recognise, and report financial transactions. [1] The two primary bases of accounting are the cash basis of accounting, or cash accounting, method and the accrual accounting method. A third method, the modified cash basis, combines elements of both accrual and cash accounting. The ...
The simplest type of bid-ask spread is the quoted spread. This spread is taken directly from quotes, that is, posted prices. Using quotes, this spread is the difference between the lowest asking price (the lowest price at which someone will sell) and the highest bid price (the highest price at which someone will buy).
In an "engineering" sense, a chemical process is a method intended to be used in manufacturing or on an industrial scale (see Industrial process) to change the composition of chemical(s) or material(s), usually using technology similar or related to that used in chemical plants or the chemical industry.