How do you read a chromatogram and what does it tell you? Figure 2:Chromatogram output from a GC or GC-MS.Credit: Anthias Consulting. Much information can be gained from the chromatogram (Figure 2) on the health
Find two chemical phenomena that could cause a matrix effect to occur and explain why they would have a matrix effect? Why would NaCl and KCl give off different colors when burned? Why does a material containing n--->pi^* transitions make a poor dye?
Enter a name for the Process Only Sample Set and click ‘OK’ (figure 3). STEP 4 A window opens, similar to the Alter Sample window. Add any needed information and/or make any necessary changes. Save all changes (figure 4). STEP 5 You will be required to enter a comment (figu...
Erythropoietin (EPO) is a naturally occurring protein hormone that is secreted by the kidneys during low-oxygen conditions. EPO stimulates the bone marrow stem cells to make red blood cells, which increase the delivery of oxygen to the kidney. Endurance athletes, such as those who compete in ma...
In general, how to determine which of several peaks in a chromatogram obtained for a mouthwash sample might correspond to ethanol? (Is the suggested method 100% reliable?) How to use that peak to determine how much ethanol is present in the mouthwash? Chromatogram: A ch...
to join together with their mirror image to make a crystal, so these crystals are comprised of equal numbers of left- and right-handed molecules. As these “hybrid” crystals grow, any small initial excess would tend to be washed out for these amino acids. A requirement for both of these...
It can be challenging to ensure that a chromatographic procedure for a drug product can distinguish a degradation product from a synthesis impurity present in the drug substance. An inability to identify a particular impurity peak in a chromatogram may lead to it being an unspecified impurity in ...
In the past, biomarker ratios were often constructed as a matter of convenience by making ratios of adjacent peaks or the two biggest peaks in a chromatogram. Once published in the literature, their use in interpretations tended to be widely propagated within the geochemical community. For normal...
ain the chromatogram obtained with reference solution(b) 在色层分离谱获得用参考解答(b)[translate] a我要坚持每周跑步 I must persist each week jogs[translate] a生病或残疾, Falls ill or the disability,[translate] alost phone,lost number,lost memory 失去的电话,失去的数字,失去的记忆[translate] ...
Headspace GC/MS analysis was the right choice because it was able to successfully separate ethanol as a volatile compound from the main sample, then identify and quantify its presence very quickly and with a high degree of accuracy. After running the test, the gas chromatogram of the drug sh...