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ISO 21910-1:2020PublishedFine bubble technology — Characterization of microbubbles — Part 1: Off-line evaluation of size indexISO/TR 23015:2020PublishedFine bubble technology — Measurement technique matrix for the characterization of fine bubblesISO 23016-2:2026PublishedFine bubble technology — Agricultural applications — Part 2: Test method for evaluating the promotion of the germination of barley seedsISO 23016-1:2025PublishedFine bubble technology — Agricultural applications — Part 1: Test method for evaluating the growth promotion of hydroponically grown lettuceISO/TR 23016-5:2024PublishedFine bubble technology — Agricultural applications — Part 5: Practical data collection to promote the germination of typical vegetable seeds using ultrafine bubblesISO 23016-4:2023PublishedFine bubble technology — Agricultural applications — Part 4: Test method for evaluating the number concentration of ultrafine bubbles (UFB) achieving the promotion of barley seed germinationISO/TR 23016-3:2021PublishedFine bubble technology — Agricultural applications — Part 3: Guidelines for the minimum viable number concentration of ultrafine bubbles for promoting the germination of barley seedsISO/TS 24217-1:2023PublishedFine bubble technology — Guideline for indicating benefits — Part 1: Requirements for systematic classification of effective functions of fine bubblesISO/TR 24217-2:2021PublishedFine bubble technology – Guideline for indicating benefits — Part 2: Assignment of Sustainable Development Goals (SDGs) to applications of fine bubble technologiesISO 24218-1:2023PublishedFine bubble technology — Characterization of fine bubbles — Part 1: Evaluation of size and concentration indices by laser diffraction methodISO 24261-2:2021PublishedFine bubble technology — Elimination method for sample characterization — Part 2: Fine bubble elimination techniquesISO 24261-1:2020PublishedFine bubble technology — Elimination method for sample characterization — Part 1: Evaluation procedureISO 24758-2:2025PublishedFine bubble technology — Evaluation method for determining the reactive oxygen species in ultrafine bubble dispersions — Part 2: APF (3'-(p-aminophenyl) fluorescein) assayISO 24758-1:2025PublishedFine bubble technology — Evaluation method for determining the reactive oxygen species in ultrafine bubble dispersions — Part 1: Probe based kinetic modelISO 25549:2026PublishedFine bubble technology — Evaluation method for determining the shear viscosity of ultrafine bubble dispersionsISO 4240-4Under developmentFine bubble technology — Environmental applications — Part 4: Test method for the removal of oil from soil by washing using fine bubblesISO/DIS 4240-5Under developmentFine bubble technology — Environmental applications — Part 5: Test method for the removal of heavy metals from soil by washing using fine bubblesISO/DTS 4240-1Under developmentFine bubble technology — Environmental applications — Part 1: Inspection method using online particle counter in dissolved air flotation (DAF) plantISO 20018-1Under developmentFine bubble technology — Characterization of ultrafine bubbles — Part 1: Data correction to exclude particulate contaminants for evaluating size and concentration indicesISO/DIS 20304-3Under developmentFine bubble technology — Water treatment applications — Part 3: Evaluation method for determining ozone dosage in fine bubble ozonation for treating wastewaterISO/FDIS 21256-2Under developmentFine bubble technology — Cleaning applications — Part 2: Test method for cleaning machine oil stains from the surfaces of machined metal partsISO/FDIS 21910-1Under developmentFine bubble technology — Characterization of microbubbles — Part 1: Off-line evaluation of size and size indexISO/TS 23016-1:2019WithdrawnFine bubble technology — Agricultural applications — Part 1: Test method for evaluating the growth promotion of hydroponically grown lettuceISO 23016-2:2019WithdrawnFine bubble technology — Agricultural applications — Part 2: Test method for evaluating the promotion of the germination of barley seeds