thin layer chromatography sentence in Hindi
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- Purity can then be checked by thin layer chromatography on a microcrystalline cellulose plate using either a system of butanol-acetic acid-water, n-propanol-water, or methanol-water.
- In the analysis of a chemical reaction by thin layer chromatography ( TLC ), the reagent can also be used ( usually 0.2 % solution in either n-butanol or in ethanol ).
- The test's lack of specificity and tendency to produce false positives means it is not widely used for presumptive drug testing, although it does still play a role as a thin layer chromatography stain.
- Its electron acceptors were characterized by its discoverers Krumholz and Bryant, who used ultraviolet absorbance to measure caffeate disappearance, thin layer chromatography to identify benzenoids, and the phenol sulphuric method for determining carbohydrate content.
- More advanced analytical techniques, such as thin layer chromatography, high performance liquid chromatography, and mass spectrometry may also be useful in initially characterizing the chemical composition of lichens or when spot tests are unrevealing.
- In the development of thin layer chromatography plates with diazotized p-nitroaniline spray, cryogenine produces a purple spot ( as does sinicuichine, another biphenylquinolizidine lactone alkaloid found in " Heimia " species ).
- Measurement techniques include chromatography ( by silver ion chromatography on thin layer chromatography plates, or small high-performance liquid chromatography columns of silica gel with bonded phenylsulfonic acid groups whose hydrogen atoms have been exchanged for silver ions ).
- To test for patulin contamination, a variety of methods and sample preparation methods have been employed including thin layer chromatography ( TLC ), gas chromatography ( GC ), high-performance liquid chromatography ( HPLC ), capillary electrophoresis.
- With position 10 sufficiently shielded reaction with chloromethyl benzyl ether produced the di ( chloromethyl ) adduct which was further converted to the dithiophenyl compound "'63 "'using thiophenol, isolation of which required thin layer chromatography.
- The first test, using thin layer chromatography ( TLC ) revealed the ink contained no iron, and was based on a synthetic dye called nigrosine, patented and commercially available in 1867, and in general use in writing inks by the 1870s.
- Unmodified abscripts are detected and quantified by LC-MS ( liquid chromatography-mass spectrometry or rTLC ( rapid thin layer chromatography ), but the use of modified nucleotides as abscription substrates allows for other types of detection ( capillary electrophoresis, fluorescence ).
- "' Retention uniformity "', or " R U ", is a concept in thin layer chromatography, designed for quantitative measurement of " equal-spreading " of the spots on the chromatographic plate and one of the Chromatographic response functions.
- "' Retention distance "', or " R D ", is a concept in thin layer chromatography, designed for quantitative measurement of " equal-spreading " of the spots on the chromatographic plate and one of the Chromatographic response functions.
- The detection of xylazine in biological fluids in humans involves various screening methods, such as urine screenings, thin layer chromatography ( TLC ), gas chromatography mass spectrometry ( GC-MS ), Remedi HS Bio-Rad Laboratories, and liquid chromatography mass spectrometry ( LC-MS ).
- While its only reported quantitative analysis was 0.14 % ( Appleseed ), all instances of co-occurrence with " D . illinoensis " showed it to be noticeably stronger than " D . illinoensis ", according to co-thin layer chromatography of the root bark.
- Each monograph details the exact herbal ingredients that make up the patent formula, usually accompanied by the specific tests that should be used for correct herb identification, such as thin layer chromatography ( TLC ) or high performance liquid chromatography ( HPLC ), the percentage of each ingredient, and specific cautions and contraindications.
- There are various analytical instruments and techniques used to characterized and monitor the different properties of lipids; X-ray diffraction, differential scanning calorimetry ( DSC ), nuclear magnetic resonance which include 2 HNMR and 31 PNMR, thin layer chromatography ( TLC ), fluorescence recovery after photobleaching ( FRAP ), nearest-neighbor recognition ( NNR ), and atomic molecular dynamics simulations ( AMDS ).
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