Molecule using lc with esi coupled to a quadrapole ms

Reference no: EM13695691

Question- Suggest a probable cause and potential solution for why the molecular ion peak was not observed for a biological molecule using LC with ESI coupled to a quadrapole MS.

Please show how you obtained the answer

Reference no: EM13695691

Questions Cloud

An analytical procedure : Which of the following is not an analytical procedure? a) Tracing of purchases recurred in the purchase book to purchase invoices. b) Comparing aggregate wages paid to number of employees c) Comparing the actual costs with standard costs d) All..

Precipiate or dissolve into solution under the conditions : Question- Here you have saturated CaF2 solution. (ksp of CaF2=3.4x10/\-11). Precipiate or dissolve into solution under the following conditions. Briefly explain why.

What is the pka of the first acidic proton of fluorescein : Question- Also, the only peak at pH2 disappears as pH increases and a new peak emerges. What is the pKa of the first acidic proton of fluorescein. Explain.

Ms as they co-elute from a column : Question- Suppose two compounds of known identity but with distinctive mass spectra cannot be resolved chromatographically. How could they be individually quantitated by MS as they co-elute from a column.

Molecule using lc with esi coupled to a quadrapole ms : Question- Suggest a probable cause and potential solution for why the molecular ion peak was not observed for a biological molecule using LC with ESI coupled to a quadrapole MS.

What is the result of positron emission from dubnium-262 : What is the result of positron emission from Dubnium-262. What is the result of alpha decay of Fermium-256

Concepts of auditing : 1. Audit of banks is an example of - a) Statutory audit b) Balance sheet audit c) Concurrent audit d) Both (a) and (b) e) All of the above 2. Concurrent audit is a part of a) Internal check system b) Continuous audit c) Internal audit system d) N..

How does the volume of the container change : Question- A sample of nitrogen gas is placed into a container at 200k. If the temperature of the container is reduced by 100 deg C and the measured pressure decreases by 50%, how does the volume of the container change

The use of an audit engagement letter is the best method : 21.The use of an audit engagement letter is the best method of assuring the auditor will have which of the following? a) Auditor will obtain sufficient appropriate audit evidence. b) Management representation letter c) Access to all books, acco..

User Account

All Pages