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The solution is then treated with various reagents to test for reactions characteristic of certain ions, which may cause color change, precipitation and other visible changes. [ 1 ] [ 2 ] Qualitative inorganic analysis is that branch or method of analytical chemistry which seeks to establish the elemental composition of inorganic compounds ...
Most people who take a drug test take a presumptive test, cheaper and faster than other methods of testing. However, it is less accurate and can render false results. The FDA recommends for confirmatory testing to be conducted and the placing of a warning label on the presumptive drug test: "This assay provides only a preliminary result.
Lithium carbonate is an important industrial chemical.Its main use is as a precursor to compounds used in lithium-ion batteries. Glasses derived from lithium carbonate are useful in ovenware.
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Cobalt(III) oxide is the inorganic compound with the formula of Co 2 O 3.Although only two oxides of cobalt are well characterized, CoO and Co 3 O 4, [4] procedures claiming to give Co 2 O 3 have been described.
Carbon trioxide (CO 3) is an unstable oxide of carbon (an oxocarbon).The possible isomers of carbon trioxide include ones with molecular symmetry point groups C s, D 3h, and C 2v.
The setting of reasonable cutoff limits help reduce false positive results that occur from assay limitations. Because of the social and legal consequences, a positive test result must be confirmed by an alternative method, usually Gas Chromatography/Mass spectrometry.
When sperm cells are not present, a second confirmatory test, the p30/PSA test, is performed. [3] PSA(p30) is known as a prostate-specific antigen that is produced by the prostatic gland in males. [9] The p30/PSA test is an immunochromatographic test that detects the presence of the antigen p30 in semen samples.