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JJF 2223-2025 Active
JJF 2223-2025 Calibration Specification for Radon Decay Products Measuring Instruments
Abstract
This standard applies to the calibration of radon daughter measurement instruments where the equilibrium radon (222Rn or 220Rn) concentration does not exceed 104 Bq/m3.
General Product Information
| Document Type | National Metrology Technical Specifications JJF |
|---|---|
| Standard Status | Active |
| Standard Code | JJF 2223-2025 |
| Implement Date | 2025-09-27 |
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