Research-Grade Materials
Full batch traceability.
Published specifications.
Research and pharmaceutical-grade purity.
Supplied exclusively for laboratory and independent research use.
PureSource Blue 4% is a high-concentration research-grade methylene blue solution — four times the strength of standard 1% solutions available elsewhere. Produced in small batches to ensure purity, consistency, and traceability. Formulated using USP-grade methylene blue dissolved in distilled water with plant-derived vegetable glycerin for stability and handling.
Strict quality controls at every stage. Raw material tested to USP pharmaceutical grade elemental impurity limits for arsenic, lead, cadmium, and mercury. Full specification data available in the Certificate of Analysis. Supplied in a 100 mL cobalt blue glass bottle with integrated dropper for light protection.
Ingredients: USP-grade Methylene Blue (4% w/v), Distilled Water, Vegetable Glycerin.
No additives. No formaldehyde. No alcohol. No preservatives. COA verified. EU origin.
For laboratory and independent research use only.
Lugol's iodine solution prepared from elemental iodine (I2) and potassium iodide (KI) in purified water. Supplied at 3.0% w/v I2 concentration (approx. 1.5 mg per drop) in a 50 mL amber glass bottle with dropper. Sourced from an ISO 9001 certified UK supplier. Heavy metal tested. No additives, no alcohol, no preservatives. COA verified with full batch traceability. EU origin. For laboratory and independent research use only.
100% pure steam-distilled gum spirits of turpentine derived from Pinus elliottii oleoresin. No additives, no solvents, no industrial by-products. EU origin, distilled from European pine resin under controlled conditions.
Terpene profile verified by chromatography — α-Pinene 45–50%, β-Pinene 35–40%. Not to be confused with rectified turpentine, which is a petroleum industry by-product containing sulfates and impurities. This is authentic resin-derived gum spirits, steam-distilled to research-grade purity.
Produced in controlled small batches with full batch traceability and documented quality control at every stage. Supplied in a 50 mL green glass bottle. COA verified.
For laboratory and independent research use only.