IS 1448 : Part 173 : 2020 Methods of Test for Petroleum and its Products - [ P : 173 ] Determination of Lead Content in Motor Gasoline-Energy Dispersive X-Ray Fluorescence Spectrometry Method
New Standard from Last Update.
1 SCOPE
This standard [P : 173] specifies the test procedure for the determination of the lead content of motor gasoline, where the lead is present as lead alkyl. The method is applicable for the lead concentration from 0.002 g Pb/l to 0.50 g Pb/l (low range from 0.002 g Pb/l to 0.020 g Pb/l and high range from 0.01 g Pb/l to 0.50 g Pb/l).
NOTES
1 Appropriate calibration plot may be used for different concentration range.
2 For samples with higher concentration dilution technique with suitable solvent may be adopted during measurement.
3 Oxygenated components of gasoline, such as, alcohols or ethers, may interfere with the results of this method. Differences in density and sulfur content between the product under analysis and the diluent mixture used for the preparation of calibration solutions can lead to errors in the result of the test.
2 REFERENCES
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
1447 (Part 1) : 2000 Petroleum and its products — Methods of sampling: Part 1 Manual sampling (first revision)
ISO 3171 : 1988 Petroleum liquids — Automatic pipeline sampling
17315 (Part 1)/ISO 4259-1 : 2017 Petroleum and related products — Precision of measurement methods and results: Part 2 Interpretation and application of precision data in relation to methods of test