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Gram and simple stains - Reagents & Materials

What you need to perform one test: reagents, kits, consumables, equipment and quality controls, with their official basis. Quantities follow the validated method or the manufacturer's instructions for use (IFU).

Back to Gram and simple stains

Cosmetics & personal care · General

Gram and simple stains

Characterisation of recovered cosmetic contaminants

Reagents & stains

ItemProcure
Crystal violet, iodine, validated decolorizer and counterstain. Simple stain: the separately selected methylene-blue or other validated basic-dye reagent. Water, fixative if specified, and immersion oPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site

Kits

ItemProcure
Optional Gram staining set or individual simple-stain reagent. A simple stain and Gram stain are different workflowsPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site

Consumables & materials

ItemProcure
Clean glass slidesPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
Slide labelsPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
Staining rack or jarsPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
Disposable applicatorsPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
Pipette tipsPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
Absorbent materialPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site

Equipment

ItemProcure
Brightfield microscope with oil-immersion capabilityPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
Slide holderPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
TimerPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
Appropriate sample-handling facilitiesPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site

Controls & reference materials

ItemProcure
Fixed Gram-positivePer validated method / manufacturer IFUMerckRecommended · Official manufacturer site
Gram-negative control smears with known reactionsPer validated method / manufacturer IFUMerckRecommended · Official manufacturer site

Official basis (Framework): ISO 21148 provides general examination guidance. Organism detection standards and product limits must be applied separately; staining is not a substitute for the specified recovery method.

Procurement note: General cosmetic microbiology guidance does not validate every stain for every product. Recovery, identification and limits remain separate tests.

Sources:G117 ISO

Procurement links open the manufacturer's or distributor's page in a new tab. STAINIC does not sell these items; always buy products validated for diagnostic use and follow local regulations.

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