Mass Spectrometry - Assignment Example

The error for calculating sample concentration from peak area is 1.... 356 and that for the sample concentration from peak height is 1.... 232 there is only a very small difference of 0.... 124.... The magnitude of this error rate difference is insignificant The error for calculating… concentration from peak area is 1....

Quantification of Bisphenol A and its chlorinated derivative concentrations in bottled drinking water using LIQUID CHROMATOGRAPHY Mass Spectrometry (LCMS) & Gas Chromatography Mass Spectrometry (GCMS) Bisphenol A (BPA) is a widespread industrial chemical used primarily for the… It is now considered as one of the most widely produced chemicals worldwide, with more than 6 billion pounds produced and 100 tons released in the atmosphere, annually....

Zhou, (2004), Journal of Chromatographic Science, Volume 42, Studies of Thermal Degredation of Acetaminophen Using a Conventional HPLC Approach and Electrospray Ionisation-Mass Spectrometry, Page 16... Dimers can form at a temperature of 50°C and 60°C and above.... When stored the percentage of dimer increases....

The article titled “Aluminium content of some processed foods, raw materials and food additives in China by inductively coupled plasma–Mass Spectrometry” by Deng et al.... A number of investigations Article summary The article d “Aluminium content of some processed foods, raw materials and food additives inChina by inductively coupled plasma–Mass Spectrometry” by Deng et al.... Aluminium content of some processed foods, raw materials and food additives in China by inductively coupled plasma–Mass Spectrometry....

The researchers make use of Mass Spectrometry and a novel antibody that is specific to phosphates to ascertain the presence of DAT phosphorylation at Thr53 in striatal tissue obtained from rodents as well as heterologous expression systems.... Conversely, dopamine transporter (DAT) is involved in the control of the quantities of extra neuronal dopamine in the central nervous… The transport events are regulated by multiple signaling pathways, substrate efflux, and other DAT roles by mechanisms that have not been well elucidated....

In which case, band broadening is the result of three main aspects; molecular diffusion, multiple path of an analyte through the… As a result, Van Deemter used this equation as to capture all the three aspects while including theoretical plate height as having a major influence.... This especially observed on the mobile phase linear velocity The Following is the equation showing all the variables: The theoretical application of the equation is mostly observed High Perfomance Liquid Chromatography especially in the separation of similar simple hydrocarbons....

In addition, quantification is possible through the use of the Mass Spectrometry method.... A good example is the Hewlett Packard GC-MS that is a mass selective detector.... The instrument consists of two parts, which are the mass spectrometer and the gas chromatograph (Karasek and Clement 5).... Consequently, the mass spectrometer on the other side picks up the molecules and initiates ionization, acceleration and detection of the molecules that have undergone ionization....

nbsp;The tests are conducted using gas chromatography and Mass Spectrometry (GC/MS).... Mass Spectrometry will be used to identify the structural components of the separated compounds, therefore, telling which compounds they are.... … The paper "Cocaine in Money" is a great example of a chemistry lab report....