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GB/T 41914.1-2022Fine bubble technology - General principles for usage and measurement of fine bubbles - Part 1: Terminology (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 14, 2022

Implementation date

May 1, 2023

Scope

GB/T 41914.1-2022 (Fine bubble technology - General principles for usage and measurement of fine bubbles - Part 1: Terminology) is available as an English-translated PDF.

GB/T 41914.1-2022 is the Chinese standard "Fine bubble technology - General principles for usage and measurement of fine bubbles - Part 1: Terminology". Its scope clause reads: This document defines terms and definitions in the field of microbubble technology.

The terminology in this document covers the basic principles, measurement methods and various applications of microbubble technology. Its clauses include terms and definitions.

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Document preview — GB/T 41914.1-2022

National Standard of the People's Republic of China

ICS: 07.030
Classification: A 22

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions

1 Scope

This document defines terms and definitions in the field of microbubble technology.

The terminology in this document covers the basic principles, measurement methods and various applications of microbubble technology.

2 Normative references

There are no normative references in this document.

3 Terms and Definitions

The following terms and definitions apply to this document.

The termbases maintained by ISO and IEC for standardization work are as follows.

3.1 bubble

A gas in a medium surrounded by an interface.

3.2 finebubble

Bubbles (3.1) whose volume equivalent diameter (3.8) is less than 100 µm.

Note 1.100µm is also expressed as (1×10-4)m.

Note 2.Appendix A gives further information on the use of the term "fine bubbles" or "ultrafine bubbles" (3.3) instead of "nanobubbles".

3.3 ultrafinebubble

Fine air bubbles (3.2) whose volume equivalent diameter (3.8) is less than 1 µm.

Note. In the field of practical application, most of the ultrafine bubbles in water measured by particle characterization are in the range of 100nm~200nm. test results

In addition to the ultrafine air bubbles, contaminants may also be included.

3.4 microbubble

Fine air bubbles (3.2) with a volume equivalent diameter (3.8) greater than or equal to 1 µm and less than 100 µm.

Note. The size range of air bubbles (3.1), fine air bubbles (3.2), ultra-fine air bubbles (3.3) and micro air bubbles is shown in Figure 1. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

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