1. ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51);">物理性能检浊�/span>​�/h4>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">纯度‌：高纯度（�?9.9%以上）的氧化铝球硬度更高，耐磨性更好，可通过X射线荧光光谱法（XRF）检测杂质含量（如SiO₂、Fe₂O₃等）、�/p>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">粒度均匀�?/span>‌：通过筛分法检测颗粒分布，均匀的粒度（�?-5mm）可确保反应器内流体分布均匀‌、�/p>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">机械强度‌：抗压强度需>50N/颗，避免使用中破碎；可通过专用压力测试仪验证‌、�/p>

2. ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51);">结构特性分枏�/span>​�/h4>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">比表面积与孔结构‌：氮气吸附法测定比表面积（通常200-400m²/g）和孔径分布�?-50nm），微孔结构影响催化活性组分的负载效率‌、�/p>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">堆密�?/span>‌：标准值为0.45-0.55g/cm³，过高可能降低孔隙率‌、�/p>

3. ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51);">化学稳定性测诔�/span>​�/h4>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">热稳定�?/span>‌：高温焙烧后（�?750℃）观察是否发生相变或塌陷，γ-Al₂O₃在高温下易转化为�?Al₂O₃导致活性下降‌、�/p>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">吸水�?/span>‌：吸水后应不胀不裂，保持原状，适用于干燥剂或除氟应用‌、�/p>

4. ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51);">功能性能验证​�/h4>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">吸附性能‌：如TBC阻聚剂吸附量测试，静态吸附法评估其实际应用效果‌、�/p>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">催化活�?/span>‌：负载活性组分后，通过加氢反应等实验验证催化效率‌、�/p>

5. ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51);">外观与工艺控刵�/span>​�/h4>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">表面光滑�?/span>‌：目测无裂纹、毛刺，球形度影响装填密度‌、�/p>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">生产工艺‌：专利技术（如原位构建五配位Al³⁺结构）可提升载体机械强度和抗烧结性能‌、�/p>

注意事项

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">检测标凅�/span>‌：需参照工业标准（如GB/T 24487-2022）进行批量检验，确保批次一致性‌、�/p>

• ​�span style="margin: 0px; padding: 0px; -webkit-font-smoothing: antialiased; scrollbar-color: rgba(184, 186, 193, 0.6) transparent; scrollbar-width: thin; -webkit-text-stroke-color: rgb(51, 51, 51); font-weight: 600 !important;">特殊需汁�/span>‌：如用于尾气处理，需额外测试硫中毒耐受性‌、�/p>