GB/T 46977-2026
铸造用再生砂氮、硫、磷含量测定方法
Determination of nitrogen, sulfur and phosphorus in foundry reclaimed sand
- 实施日期
- 2026-08-01
- ICS 分类
- 91.100.15
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 46977-2026
Determination of nitrogen, sulfur and phosphorus in foundry reclaimed sand
GB/T 47077-2026
Test method for available alkali content of mineral admixtures
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Phosphogypsum
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Moderate-heat portland cement,low-heat portland cement
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Portland cement for nuclear power engineering
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Methods for chemical analysis of cement
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Circular concrete pole
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Masonry cement
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Guidelines for greenhouse gas information disclosure—Building material enterprises
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Thermal insulating products for building applications—Determination of linear dimensions of test specimens
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Concrete admixtures
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Test methods for emitted ammonia from the concrete admixtures
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Test methods of residual formaldehyde from the concrete admixtures
GB 46520-2025
Burning behavior safety technical specification of thermal insulation materials and products for building
GB/T 23452-2025
Natural sandstone slab for building
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Test method of ceramic tiles—Part 20: Determination of deflection of ceramic tiles for calculating their radius of curvature
GB/T 3810.18-2025
Test method of ceramic tiles — Part 18: Determination of light reflectance value(LRV)
GB/T 46168-2025
Building and civil engineering sealants—Determination of application life