Spot analysis - Wikipedia
Spot analysis, spot test analysis, or spot test is a chemical test, a simple and efficient technique where analytic assays are executed in only one, or a few drops, of a chemical solution, preferably in a great piece of filter paper, without using any sophisticated instrumentation.
1.2: Spot Tests - Chemistry LibreTexts
2022年8月28日 · Spot tests (spot analysis) are simple chemical procedures that uniquely identify a substance. They can be performed on small samples, even microscopic samples of matter with no preliminary separation.
Spot tests: past and present | ChemTexts - Springer
2021年12月27日 · The term “spot test” designates analytical procedures carried out at the scale of a microgram or less and are aimed at identifying a chemical species or a family of chemical compounds.
Spot test Definition & Meaning - Merriam-Webster
2024年10月22日 · The meaning of SPOT TEST is a test limited to a few key or sample points or a relatively small percentage of random spots.
Chemical Spot tests - FutureLearn
Some of the commonly used colour tests include cobalt thiocyanate (Scott Test for cocaine and related drugs), Marquis (for alkaloids, amphetamines, and opium-related derivatives eg morphine and heroin), Mecke (for alkaloids) and Duquenois-Levine (for marijuana).
8: Qualitative Analysis of Anions Using Spot Plates (Experiment)
2021年9月22日 · In this experiment you will use qualitative analysis to identify the various anions in a sample. Specifically you will test for the presence of each of the following anions: \(\ce{CO3^{2-}}\), \(\ce{SO4^{2-}}\), \(\ce{PO4^{3-}}\), \(\ce{SCN^{-}}\), …
Only some drops of investigated solution and reagent are required to make spot test analysis. The analysis is based on “analysis of spots” when bright stains are created as a result of reaction performed on a blotting-paper.
Spot Tests in Organic Analysis - ScienceDirect
Covering all theoretical and practical aspects of the applications of spot tests to organic analysis, this book includes information on more than 900 tests. It continues to be an indispensable reference to organic and analytical chemists in academia and in industry.
Spot test | definition of spot test by Medical dictionary
A Rheumatoid Arthritis test is a simple blood spot test, requiring only a few drops of blood from the fingertip to provide a sample that can detect the diseases with over 99% accuracy.
Spot Test Analysis - Jungreis - Wiley Online Library
2006年9月15日 · Sensitive and selective qualitative tests based on chemical reactions using small amounts of complex and reagents are referred to as “spot tests”. The target is to reach the utmost sensitivity and selectivity with a minimum of physical and chemical operations.