AGILENT HPLC 1100 SERIES , any expert available please?

More Winnie Ampomaa Owusu's questions See All

Which software is good for qualitative data analysis?

Looking for softwares that can help with indepth analysis of data.

21 May 2024 3,332 7 View

How is the current advancement in technology affecting writing in higher education institutions?

I am interested in the role Artificial intelligence is playing in students writing practices.

30 March 2024 7,428 3 View

How do I become a good econometric student?

I want to become a good in It

19 March 2024 9,279 12 View

Why potential window of porous copper oxide electrode in KOH electrolyte in my study is at negative side?

The copper oxide is porous for supercapacitor application. In most papers, the potential is between 0-0.7v vs. Ag/AgCl reference electrode.

22 January 2024 9,791 8 View

Please can i get a sample of questionnaire on my project work?

the topic is perception on the prolonged use of earphone among undergraduate nursing students of university of cape coast.

06 February 2023 393 2 View

SLA 3D printing?

which countries do manufacture/sell steriolithography apparatus 3D printers which do manufacture nozzles in the micro scale range?

25 January 2023 6,880 2 View

Please can someone help me with extended antoine constants for monosodium glutamate for ASPEN plus simulation?

Using Alkaline extraction (NaOH) and isoelectric precipitation method for producing protein supplements and starch for protein based plants

08 December 2022 2,384 1 View

Missing parameters for Binary analysis of NaOH and HCl in ASPEN Plus?

Please can someone help me debug this errror. I used NRTL to run property analysis on my components with ASPEN Plus V11 ->Processing input specifications ... * WARNING IN PHYSICAL...

20 October 2022 199 2 View

What are the contributory factors leading to glossophobia among university students>?

I want to ascertain some factors that hinder students from talking in the public.

26 May 2021 8,091 2 View

What written corrective feedback technique(s) would you recommend for university language teachers?

I want the best written corrective feedback for university students.

25 May 2021 2,127 2 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

Can I use a HisTRAP column for affinity chromatography?

I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...

07 August 2024 505 3 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Why is electronic energy 0.000 for liquid crystal compounds and is invariable with temperature in Guassian 09 software?

Are there any suggestions or insights you can provide to help address this problem

06 August 2024 1,443 2 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

How can we use mobile apps for improving students' academic performance?

Mobile apps can be a powerful tool for enhancing academic performance, how can we use mobile apps for improving academic performance

04 August 2024 9,492 0 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 View

Is there any Indian Company or Startups, from any universiy or IITS, which manufacture Gas Chromatography instrument , i want to make a custOmized G?

or we can collaborate

01 August 2024 6,705 2 View