Answer / praveen kumar

Shelf life:-The time period during which the product is known to remain stable, which means it retains its strength, quality, and purity when it is stored according to its labeled storage conditions

Expiry date:- you should not take the medicine after the end of the month given. For example, if the expiry date is July 2024, you should not take the medicine after 31 July 2024

Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1 Answers  

---

What is Specificity ?

8 Answers   Dr Reddys,

---

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

1 Answers   Alembic,

---

what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?

1 Answers   Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,

---

What if impurity area in control sample coming more as compared to LOQ level of impurity ?

1 Answers  

---

IS THERE ANYWHERE MENTION THAT THE RE PROCESS BATCH REQUIRE TO KEPT STABILITY STYDY

2 Answers   Nakoda Chemicals,

---

what is partion and column chromatography

1 Answers   Emcure,

---

what is the source of ir spectroscopy

2 Answers   CTX Life Sciences, Mylan,

---

How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

1 Answers   NCL,

---

loss on drying we applied vaccum for some compounds and some compounds are at 105c why

3 Answers  

---

What is the principle of hplc detectors like.. UV detector,flurosence detector, RID?

0 Answers   Cipla,

---

wt is difference between assay and purity in hplc?

9 Answers   Hetero, IDRS Labs,

---