What is a Baseline Reference Sample?
A baseline reference sample is a sample of new or unused product submitted to the fluid analysis laboratory. Submitting a baseline sample allows you to gain an understanding of the starting values of the product in use. It is important that the baseline sample being submitted has not been introduced into a system as this can introduce variables such as commingling, contamination or degradation. Ideally the sample should be pulled from a verifiable source such as a bulk tank, tote, pail or bottle.
What are the benefits of submitting a Baseline Reference Sample?
It is important to have an understanding of what the starting values are for your lubricant. Knowing where the base number (BN) and/or acid number (AN), oxidation and nitration values start will provide a more precise prediction of how the used oil sample should be flagged as the lubricant degrades. Likewise, if the additive levels are known then it is easier for the Data Analyst to determine if the lubricant was actually installed in the machine.
What does the laboratory do with my Baseline Reference Sample?
Baseline samples are account specific, meaning they will be used on the account for which they were submitted and appear on used oil sample reports using the same product. When submitting a baseline sample, it is important to correctly fill out the sample paperwork to indicate it is a baseline sample by checking the box labeled “baseline reference”. Selecting this box will automatically enter baseline sample as the component type.
Being careful to provide the complete product information (manufacturer, product name and viscosity grade) and using a specimen from a known, verified source will ensure the information generated by the laboratory will be useful and reliable for comparison against future used or suspect samples. Once an account has an established baseline reference sample, it is important that used samples with the same product have the product information listed exactly the same as the baseline sample. This will ensure the baseline and the used samples are linked for comparison on your reports.
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