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ASTM D3238-17a
Standard Test Method for Calculation of Carbon Distribution and Structural Group Analysis of Petroleum Oils by the n-d-M MethodMore info
1.1 This test method covers the calculation of the carbon distribution and ring content (Note 1) of olefin-free petroleum oils from measurements of refractive index, density, and molecular weight (n-d-M).2 This test method should not be applied to oils whose compositions are outside the following ranges:
1.1.1 In terms of carbon distribution—up to 75 % carbon atoms in ring structure; percentage in aromatic rings not larger than 1.5 times the percentage in naphthenic rings.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 75.080 : Petroleum products in general |
| Number of pages | 3 |
| Replace | ASTM D3238-17 |
| Set | ASTMVOL0501 |
| Year | 2017 |
| Document history | ASTM D3238-17 |
| Country | USA |
| Keyword | ASTM 3238;ASTM D3238;ASTM D3238;10.1520/D3238-17A |