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JJF 2289-2025 Active
JJF 2289-2025 Calibration Specification for Ammonia-nitrogen Meters
Abstract
This specification is applicable to the calibration of laboratory or portable ammonia nitrogen measurement instruments using photometry and electrode methods.
General Product Information
| Document Type | National Metrology Technical Specifications JJF |
|---|---|
| Standard Status | Active |
| Standard Code | JJF 2289-2025 |
| Implement Date | 2026-03-08 |
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$ 38.00
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$ 38.00
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$ 38.00