Do you need deformulation or quality-control testing?
Begin with what you already know
When you ask us to analyse an industrial product, the first distinction is whether its composition is unknown or a known formulation needs checking against a defined requirement. Quality-control and release testing usually begin with known ingredients, a specification and a defined measurement, while deformulation begins with an incomplete component map. The same material can raise either question, so the product name alone does not identify the appropriate study.
For example, a manufacturer who wants to check whether a known polymer emulsion meets its solids specification has a different question from one asking which polymer family an unfamiliar emulsion contains. A specification check needs an agreed test basis and acceptance criterion; discovering an unfamiliar formulation needs evidence about identity and relative contribution. Before discussing methods, explain the decision the result must support and which information is already available from your supplier or production records.
When a known-component check fits
A quality-control question can concern a named ingredient, a physical property or a batch requirement that has already been defined. The meaning of a pass or fail depends on the specification, sample preparation and measurement conditions, rather than the chemical name alone. Results from different concentration bases or test conditions should not be compared as though they describe the same requirement.
A routine check answers the chosen requirement efficiently because it does not need to discover every ingredient that might exist in the mixture. It can, however, leave an unexpected formulation change unexplained if that change does not affect the selected measurement. A batch meeting one content specification can still differ in another ingredient or in processing history, so the scope of the conclusion should follow the scope of the check.
When an unknown-composition study fits
Deformulation is useful when the main ingredients are unknown, a reference product needs a chemical starting map, or two materials show a difference that the existing specification does not explain. We identify supported components and estimate their proportions, with conclusions tied to the actual sample and its state. A cured-film question, for instance, concerns retained material and cannot be treated as an untouched record of the original liquid.
For example, a manufacturer who wants to understand why two adhesive references differ can ask whether their polymer and tackifier patterns differ before selecting routine control measurements. The analytical map can reveal which ingredient families merit further attention, rather than assuming that the property difference has one known chemical cause. A supported identity is a different claim from a verified concentration; see our identification and semi-quantification guide.
When the questions need to be combined
In a general development workflow, an unknown-composition study can come first, followed by a defined measurement of a key component once its identity and decision role are clear. That second step needs its own measurement basis, suitable calibration and treatment of sample effects if the claim is an assay value. It is not achieved by relabelling a semi-quantitative proportion as an exact concentration.
A useful brief can therefore separate the discovery question from the later control requirement, including which ingredient would change the purchasing or development decision. Our overseas service considers such component questions within industrial deformulation and does not take single-analyte tests from overseas. State any later exact-content requirement in the declaration so the project discussion does not confuse an estimate with a promised assay.
Turn the question into a clear declaration
Use the inquiry form to name the product, physical form, SDS, photographs and what you want to learn. Add the known specification or reference description where relevant, then state whether the requested output is ingredient identification, a proportion estimate or a later measurement requirement. A sentence such as 'compare the retained binder in these cured films' is more useful than 'test the coating', because it fixes both the material state and the decision.
Include the reference and suspect samples in comparable states when possible, and keep formulation questions distinct from processing or storage differences. If you already know the ingredients, explain what remains uncertain instead of asking for a complete rediscovery of the product. That distinction helps define a study whose conclusion can be used for the actual next decision.
How to start
We review overseas industrial samples before acceptance. Use our industrial analysis page and sample-shipping guide to prepare your declaration. Our reports are research-grade analytical reports from a laboratory that is not accredited. They cannot be used for product registration or legal proceedings.
FAQ
Is deformulation the right way to check every production batch?
Where composition and acceptance criteria are already known, routine quality-control measurements usually address the batch question more directly; deformulation addresses unknown ingredients or unexplained chemical differences.
Can a known specification and an unknown ingredient both matter?
A specification check can establish the chosen requirement while an unknown-composition study investigates additional chemistry; the two conclusions answer different parts of the same material question.
Does an estimated ingredient proportion count as an assay?
A semi-quantitative ingredient proportion is an estimate, not an assay value; an exact-content claim requires an appropriate measurement basis and calibration.
Can we request only one analyte from overseas?
We do not take single-analyte tests from overseas; state the component concern as part of the industrial deformulation question for declaration review.
Send a sample declaration and describe the product, its physical form and the question you want answered.