For water content determination, if the material is insoluble in methnaol and ethylene glycol mono methyl ether, what other diluent can we use.

2076

---

In Dissolution Test why limit is define Q+5% what is the role of +5%.

3155

---

what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

2011

---

what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?

2728

---

Basic principle of ESI?

2209

---

Why ammonia is used as buffer solution in estimation of copper by EDTA method

1923

---

Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

2787

---

Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and appearance? suggest?

1962

---

What is use of acetonitrile compare to methanol in RP-HPLC Method development?

2042

---

Why a1% value is used for some product ? What is the criteria for selection a1% value ?

2395

---

What is aggregate and fragments in SEC?

2159

---

What is the calibration of uv process and preparation

2047

---

Any one is alembic pharmaceutical ltd. On starting to job ?

1720

---

Identify problem faced when mass spectroscopy is used with HPLC system ?

1932

---

Explain the relations between number of carbon atoms in alkanes and retention time ?

2208

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