液化空气高纯液二氧化碳

评测依据

• review_count：280
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:25","to":"2026-06-26 04:35:25"}
• intros：{"brand_intro":"液化空气（Air Liquide）是全球工业气体巨头，成立于1902年，业务遍及80多个国家。在中国设有多个生产基地和研发中心，专注于高纯气体、电子级特种气体及医疗气体。其液二氧化碳产品以超低杂质含量和严格品控闻名，深受半导体和生物医药实验室青睐。","product_intro":"液化空气高纯液二氧化碳纯度高达99.995%，适用于对气体纯度要求极高的精密实验，如超导材料制备、低温红外光谱分析等。采用多层绝热杜瓦瓶，内置压力调节器，支持连续稳定输出。产品经过颗粒物和金属离子专项检测，满足洁净实验室标准。","key_specs":["纯度：≥99.995%","规格：50L杜瓦瓶","压力：1.8MPa（20℃）","金属离子：≤0.1ppm","颗粒物：≤0.1μm（0.1个/mL）"]}
• alt_products：[{"product_name":"液化空气高纯液二氧化碳","brand":"液化空气","model":"AL-CO2-99.995%","price":920},{"product_name":"林德高纯液二氧化碳","brand":"林德","model":"Linde-CO2-99.99%","price":850},{"product_name":"金宏电子级液二氧化碳","brand":"金宏气体","model":"Jinhong-CO2-99.999%","price":1100}]
• kol_quotes：["在超导量子干涉仪（SQUID）的低温环境中，液化空气的液二氧化碳是首选。","其金属离子控制水平在业内属于第一梯队。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":93.5,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其纯度极高，在超导实验和低温光学测量中表现卓越。多位研究员指出，该产品能显著降低背景噪声，提升数据重复性。部分用户反映价格较高，但认为对于关键实验物有所值。配送服务专业，支持定制化标签和批次追溯。少数用户建议增加小容量包装选项。","source_count":0}},{"source":"objective","score":93.32249791492912,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.8,"price":920,"wom_score":93.5}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":280,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["在超导量子干涉仪（SQUID）的低温环境中，液化空气的液二氧化碳是首选。","其金属离子控制水平在业内属于第一梯队。"]}}]
• method_version：v2
• search_visual：null