$40
ISO 3771:2011
2011
Petroleum products – Determination of base number – Perchloric acid potentiometric titration method
- Format:
- Language(s) :
- Published :
- English
- 09/15/2011
ISO 3771:2011 specifies a method for the determination of basic constituents in petroleum products by potentiometric titration with perchloric acid in glacial acetic acid.
The constituents that can be considered to have basic characteristics include organic and inorganic bases, amino compounds, salts of weak acids (e.g. soaps), basic salts of polyacid bases, and salts of heavy metals.
The ranges of base number values for which precision values for the method have been established are:
- unused oils: base numbers from 3 to 45;
- additive concentrates: base numbers from 5 to 45;
- used oils: base numbers from 3 to 30.
| ISO 3771:2011 | |
|---|---|
| STANDARD INFO: | |
| Standard Name | ISO 3771:2011 |
| Scope | Petroleum products - Determination of base number - Perchloric acid potentiometric titration method |
| Publisher | ISO - International Organization for Standardization |
| Languages | English |
| State | |
| Publication Year | 2011 |
| Most recent Version | MOST RECENT |
| Whether to be replaced | |
| Addendum | |
| FILE INFO: | |
| File Size | 1 file , 860 KB |
| Note | This product is unavailable in Ukraine, Russia, Belarus |
| Published | 09/15/2011 |
| Same As | ISO 3771:2011 |
| ISO 3771:2011 | ||
|---|---|---|
| History | Publisher Year | |
| ISO 3771:2011 | 2011 | Current |
| ISO 3771:1994 | 1994 |
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