100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Unit 2C: Extended National Diploma in Applied Science level 3 £9.59   Add to cart

Other

Unit 2C: Extended National Diploma in Applied Science level 3

 5 views  0 purchase

Unit 2B assignment of applied science level 3 extended national diploma. achieved overall grade merit in unit with 3 assignments achieving distinctions. Overall course grade D*D*D.

Preview 2 out of 12  pages

  • September 1, 2023
  • 12
  • 2020/2021
  • Other
  • Unknown
All documents for this subject (365)
avatar-seller
amj1323
03 December 2020



Assignment 2C




Undertake chromatographic techniques to identify components
1|Page in mixtures

, September 1, 2023



BTEC applied science Level 3

Chromatography
As a technician assistant at chemcalequip I will be writing a report explaining what
chromatography is, different uses, different types and how to calculate Rf values.
Introduction:
Chromatography is a method used to separate chemical mixtures and identify substances.
From this you can find out the purity of a chemical substance. It relies on moving a liquid or
gas over a stationary paper or powder.
There are many types of chromatography, but the top ones are:

SPEAK ABOUT FEW TYPES OF CHROMATOGRAPHY
Chromatography is used in industrial processes to purify chemicals, test for trace amounts
of substances, separate compounds and to test procedures for quality control.
The uses of chromatography in everyday life: (3)
- Drug testing (gas chromatography)
- Food safety testing
- Alcohol testing
- Forensic investigations (paper chromatography & ink chromatography)
- Vaccinations
- Biological research




Rf value:
The retention factor (Rf) is defined as the distance travelled by the compound divided by the
distance travelled by the solvent.
R
f
¿

di st anc et r av el l ed b y sol ut e
di st ance t r av el l ed b y sol v ent




2|Page

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller amj1323. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £9.59. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

81989 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£9.59
  • (0)
  Add to cart