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3
votes
3
answers
212
views
Hplc

Pressure fluctuation in hplc.. Causes..?? How to correct..?...

HPLC
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Atif Ali asked 1 year ago
0
votes
0
answers
141
views
Rear seal wash leakage issue in thermo ultimate 3000 series

I have been observing the rare seal leakage while running thermo ultimate 3000 series. Whats the solution to it? How we can rectify it ? Why does it o...

HPLC
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Gagan BS asked 1 year ago
0
votes
0
answers
125
views
Senior

Troubleshooting in amino acid column pico-tag...

HPLC
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Mohamed Nabil asked 1 year ago
0
votes
2
answers
208
views
Pressure

I have agilent 1260 infinity II instrument and i found that pressure is reaching 400 without installation of column , what is the problem ? and how to...

HPLC
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Ibrahim asked 1 year ago
0
votes
2
answers
159
views
Impurity Limit.

How to decide the known/unknown impurity limit in Related substance??...

HPLC
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Vasim asked 1 year ago
3
votes
4
answers
318
views
How injection volume effect on peak shape or results.?

How injection volume effect on peak shape or results.?...

HPLC
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Atif Ali asked 1 year ago
0
votes
1
answers
287
views
Qc analyst

Capacity factor calculation...

HPLC
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Tasnim Mahmoud asked 1 year ago
4
votes
3
answers
377
views
Peak area variability in DMSO analysis

Hello, I am running an impurity analysis method for DMSO with the following parameters: FID Temperature: 250 °C Injector Temperature: 250 °C Column...

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slucas asked 1 year ago
1
votes
2
answers
274
views
methylcobalamin analysis

Preparation of a sample of methylcobalamin in liquid form, in low concentration for analysis in HPLC. Any ideas?...

HPLC
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Amanda Zanatta asked 1 year ago