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Orchid Analytical Chemistry Interview Questions

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Why we use holmium oxide,perchloric acid for uv/vis calibration

4 26452

Why caffeine as a reference standard used for calibration of HPLC?

11 58249

what is relationship between absorption and transmittance in u.v.?

11 34214

Why using Holmium oxide in UV calibration

8 46582

full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?

10 39084

what is dead time in hplc?

3 19675

what is the significant of pH in HPlc?

5 15646

Explain about Low pressure gradient and High Pressure gradient systems in HPLC?

4 30033

HPLC Calibration was done in Reverse Phase, but not in normal phase why explain?

11 33977

what are the standard methods for HPLC?

2830

When performing Moisture content how to you say only Methanol react with water not product Explain?

2 10491

what is the meaning of PURITY AND POTENCY .what is the difference between PURITY and POTENCY

5 27519

As per USP what is RSD limit of volumteric solution of three replicate analysis

10 28737

In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?

2 16174

How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance

4 21115

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Orchid Analytical Chemistry Interview Questions

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Un-Answered Questions

What is the general data protection regulation (gdpr)?

1116

What are the steps involved in designing an optimal pad ring?

1224

Is there an ifs function in excel?

699

define sql delete statement ? : Sql dba

1067

What is retroactive accounting. When is it used?

1029

What are the difference between the internet of things (iot) and machine to machine (m2m)?

Why we use trigger in sql server with example?

1012

How does normalization work?

971

How ms excel evaluates a complex formula?

713

Does this lead to security issues?

771

What is Hard mount and soft Mount?

1841

What are math constants and functions using javascript?

1092

What is routing in javascript?

944

What happens when we invoke a method on a nil pointer?

820

How do I copy a web page?

182