Plan a trial for your application
Detergent neutralization feedstock
Compare active content, free acid and color after neutralization.
Cleaning formulations
At the same degree of neutralization and water quality, assess cleaning, foaming and rinsing.
Purchase specifications and incoming inspection
Use these properties to compare grades within the product family. Example figures refer to the cited grade or source. Confirm the offered specification, packaging and lead time in the quotation. Hebei VKESN · Specification for LABSA free acid ↗
| Property | Unit | Published or agreed specification | Test conditions and checks |
|---|---|---|---|
| Active matter | % by mass | Hebei VKESN LABSA 96 published value ≥96 | State the analytical method for acid-form LABSA. |
| Free sulfuric acid | % by mass | Hebei VKESN LABSA 96 published value ≤1.5 | Titrate separately. Total acidity is not a substitute for this measurement. |
| Free oil | % by mass | Hebei VKESN LABSA 96 published value ≤2.0 | Check the extraction method or other specified procedure. |
When approving a sample, record the grade, methods, limits and specification revision. On receipt, match the packing lot number to the lot-specific COA and record the measured values and release decision.
From samples to commercial delivery
Packaging and receiving
Request compatible containers and connections for acid liquids. Inspect labels and seals on receipt.
Storage and handling
Review storage and transport against the commercial product SDS. Itemise assay, unit net weight and freight.
Sample and order lead times
Compare quotations by active matter, as-supplied net weight and packaging. State destination and receiving facilities and request MOQ, sample dispatch and commercial arrival dates.
Questions from the plant
Why is the neutralised product darker than the standard?
Check incoming colour, free oil and neutralisation history. Use parallel blind samples.
Is the lowest tonne price necessarily the best offer?
Compare delivered cost per unit of acid-form active matter, including freight, then add neutralisation costs.
Report a delivery or batch issue
Include the order number, lot number from the package, label photos and inspection records for the affected lot. When retesting, check Active matter, Free sulfuric acid, Free oil.
Request documents for your application
TDS · Technical data sheet
For grade selection and sample approval, specify the grade and revision required.
SDS · Safety data sheet
Specify the country or region of use and the required language.
COA · Certificate of analysis
Request a sample COA during supplier review. For incoming inspection, provide the actual lot number.