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1
votes
1
answers
168
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Suggest Naproxen Sodium UV Spectroscopy Assay Method

Required naproxen sodium Assay Alternate method in UV Spectro. Diluent=? UV spectro parameters=?...

UV-Visible Spectroscopy
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Erum Farooq asked 8 m ago
0
votes
2
answers
301
views
HPLC PRESSURE DROP

During batch file run after five std. Run pressure drop occurs due to which shift in RT. How can we file an incident report. What reason and explanati...

HPLC
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Ajit Kumar asked 8 m ago
0
votes
0
answers
801
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The Critical Role of pKa in HPLC Method Development
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In analytical method development, particularly for analyzing active pharmaceutical ingredients (APIs) and their impurities, the pKa value of a compoun...

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youhana Hosny asked 8 m ago
0
votes
1
answers
282
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Hplc
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Want to remove this hump / behavior. System is time gradient. Diluent is acetonitrile. Suggestions please..??...

UV-Visible Spectroscopy
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Atif Ali asked 8 m ago
0
votes
1
answers
228
views
Uv

Please inform me of UV calibration with total perameter and it's procese...

UV-Visible Spectroscopy
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Prakash Godhaniya asked 8 m ago
1
votes
1
answers
243
views
Suggest Mobile phase for Impurity of Oteseconazole:SHR8008X:SHR8008JA retention time with good separation

Suggest Mobile: Composition isocrated / Gradient for Oteseconazole:SHR8008X:SHR8008JA retention time with good separation....

HPLC
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Erum Farooq asked 8 m ago
0
votes
0
answers
440
views
Why You Should Use Volatile Buffers in LC-M?
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Choosing the right buffers and solvents is critical in LC-MS because the entire mobile phase directly enters the mass spectrometer. Compatibility with...

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youhana Hosny asked 8 m ago
0
votes
0
answers
161
views
Haloacetic Acids in LC MS/MS

Hello everyone im conducting HAA9 analysis in water samples with SPE in LC MS/MS and im observing reduced areas of the peaks over the months. The LC w...

Mass Spectrometry (MS)
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Christos Takidis asked 8 m ago
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votes
0
answers
202
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RT shift

In UPLC during RP-HPLC Run with mobile phase as 0.1% TFA+ Water and 0.1%TFA+ ACN with 55 C column temp., the peak keeps shifting to wards left as the ...

HPLC
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drl_bio asked 8 m ago
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