Name  of the test

Method Employed

Sample Size

Hydrocarbon group type analysis of petroleum and related products

High performance liquid chromatography and GPC

~ 20 m l

Hydrocarbon type analysis of depentanised straight run gasoline

Mass spectrometry

250 ml

Hydrocarbon type analysis of kerosene fraction

Mass spectrometry

250 ml

Hydrocarbon type analysis of virgin middle distillate (204-343°C)

Mass spectrometry

500 ml

Characterisation of light petroleum fractions

Gas Chromatography

Mass spectrometry

250 ml

Recording of liquid spectra

NMR

2 – 5 ml

Recording of solid spectra

CP/MAS NMR

250-500 mg

Recording spectra

UV-VIS-NIR

2-5 ml (liq.) 110 -250 mg (solid)

Individual HC (SR)

- IBP – 60°C

- 60 – 90°C

- 90 – 110°C

- 110 – 140°C

- IBP – 140°C

Gas Chromatography

          500 ml

          500 ml

          500 ml

          500 ml

         500 ml

Individual HC in cracked stream

- IBP – 60°C

- 60 – 90°C

- 90 – 110°C

- IBP – 110°C

Gas Chromatography

         500 ml

         500 ml

          500 ml

          500 ml

PONA

- IBP – 60°C

- IBP – 90°C

- IBP – 110°C

- IBP – 140°C

Gas Chromatography

          500 ml

          500 ml

           500 ml

          500 ml

Cost of n-paraffins

- Kerosene

- Diesel

Gas Chromatography

 

500 ml

500 ml

Carbon no. distribution in waxes

Gas Chromatography

500 ml

C1-C5 Hydrocarbons in gases

Gas Chromatography

500 ml

Alc/ Ethers in gasoline

Gas Chromatography

500 ml

Estimation of Aromatics

- Benzene

- Total Aromatics

- Ind. Aromatics in IBP-140°C

- C9 – C10 aromatics

Gas Chromatography

500 ml

500 ml

500 ml

 

500 ml

Spectra recording (with IR absorption-peak markings)

   Liquid Sample

Thin film

In 0.1 mm cell

In solution

1 ml

5 ml

5 ml

    Solid Sample

Nujol null

KBr disc (qualitative)

KBr disc (quantitative)

With calibration graph

 100 mg

100 mg

500 mg

5 ml