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GB/T 7729-2021 Active
GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods
Abstract
This document specifies the principles, reagents and materials, instruments and equipment, instrument operation methods, sample preparation, measurement, and precision of spectrophotometry (hereinafter referred to as "photometry") for the chemical analysis of metallurgical products.
This document is applicable to the application, research, and personnel training of photometry for the chemical analysis of metallurgical products.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 7729-2021 |
| CCS | Baseline standards and general methods |
| ICS | Black metals |
| Implement Date | 2022-03-01 |
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