Total Base Number (TBN) Analysis with ASTM Methods D2896
Quality lubricating oil is one of the most important factors in maintaining performance and engine reliability and industrial equipment. One of the parameters used to evaluate chemical characteristics of lubricant is Total Base Number (TBN). This test aims to measure the nature of the base component in oil which plays a role in neutralizing the acid compound during the operational process.
PT Hidea Core supports the need for laboratory analysis to characterize petroleum products and lubricating oil through testing physical and chemical parameters. One of the standard methods used as reference to testing Total Base Number is ASTM D2896, which is Base Number determination methods using techniques potential. Analysis can be a supporting data in lubricant quality evaluations, monitoring changes in oil conditions, as well as product control for industrial needs.
Total Base Expert Number Analysis for Oil & Gas Industries
For the Oil & Gas sector, power plants, manufacturing, and industry using the lubricant system, monitoring the chemical characteristics of oil is an important part of maintaining operational reliability. The total test of Base Number Analysis provides information about the health reserves in lubricant that are involved in neutralizing the acidic components.
Some of the major benefits of testing Total Base Number include:
- Lubricating Oil Quality Evaluation
TBN testing helps know the base component in lubricant which neutralizes acid compounds during use. These parameters are essential in quality evaluations and the characteristics of oil chemistry. - Monitoring Lubrication Degradation
The decrease of TBN value can be one of the less reserve indicators due to operational and additives process during oil use. - Engine Oil Quality Control
The test results can be used as support data to monitor changes to the chemical characteristics of oil and evaluate its conformity with operational needs. - Preventive Madness Support
TBN data can be combined with other oil analysis parameters to support the monitoring program for lubricant conditions and industrial maintenance planning.
Test Parameters Specification Total Base Number
As one crucial parameter in lubricant analysis, testing Total Base Number is done to determine the number of base components measured based on the state of the test method. Analytic results are specified in potassium potassium unit hydroxide per gram of sample (mg KOH / g).
Here are the general specs testing Total Base Number based on ASTM D2896:
| Testing Parameters | Specification |
|---|---|
| Parameter Name | Total Base Number (TBN) / Base Number |
| Testing Method | ASTM D2896 |
| Analysis Principle | Potentiometric Titan |
| Titrant | Perchloric Acid. |
| Result Unit | mg KOH / g sample |
| Sample Type | Petroleum Products and Lubricating Oil that fit the scope of the method |
| Testing Destination | Specify base components in the oil sample |
Test Method ASTM D2896 - Potentiometric Titration
ASTM D2896 It's a standard method for determining Base Number on petroleum products through potentiometric attrition techniques using perchlorate acid solution as a titan. The testing process is done to measure the base components that are in the samples based on a potential electrode response during the threshold.
In general, the principle of testing includes the following stages:
- Sample Preparation - The oil samples are weighed according to procedure needs and the characteristic estimated value of Base Number.
- Sample Recruiting - Sample dissolved using a solvent system specified in ASTM method D2896.
- Titration Process - The ditration of samples is using perchlorate acid solution with known concentration.
- End Point Detect - The potentiometric electrodes system is used to detect potential changes during the title process.
- Results - The volume of the node used to get Base Number value in mg KOH / g samples.
The selection of procedures and interpretations results needs to consider the type of samples and characteristics of the tested product. For the monitoring of used oil, the ASTM method D4739 is also known as Base Number's test method with different principles. ASTM D2896 and ASTM D4739 should not be considered the equivalent directly because they both have different measured characteristics.
Total Number (TBN) and Total Acid Number (TAN) difference
In petroleum products and lubricating oil, Total Base Number (TBN) and Total Acid Number (TAN) are two parameters that have different functions, but can be used completely to evaluate the characteristics of oil chemistry.
- Total Base Number (TBN)
Measure base components in the oil sample specified in mg KOH / g. These parameters are used to evaluate base backup capabilities in neutralizing the acidic components. - Total Acid Number (TAN)
Measure the amount of acid components in the oil sample specified in mg KOH / g. This parameter can be used to monitor the changes in acid content during storage and lubricant use.
The TAN and TBN data combination can give you an extra picture of the changes in lubricant chemical characteristics. However, the result interpretation still needs to consider oil formulation, application types, manufacturer recommendations, and previous testing trends.
Total Base Number PT Hidea Core Analysis Service
As the lab focuses on the Oil & Gas sector and petroleum analysis, PT Hidea Core supports the need for laboratory testing for petroleum products and lubricating oil. Total Base Number analysis is one of the parameters that can be consulted to support lubricant quality evaluations and monitoring industrial oil conditions.
For more information on the availability of ASTM D2896 testing, sample types, sample volume needs, time-making, and price deals, please contact our lab team.
PT Hidea Core
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Email: labservices@hidea.id
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