ALPHAGAZ 高纯二氧化碳 99.9995%

评测依据

• review_count：190
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_quality
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:34:58","to":"2026-06-26 04:34:58"}
• intros：{"brand_intro":"液化空气集团是全球工业气体与医疗气体领导者，业务遍及80个国家。ALPHAGAZ系列是其高端科研气体品牌，以超纯、超稳定著称，广泛应用于顶尖学术机构与跨国药企。品牌拥有百年气体纯化经验，每批次均通过质谱与色谱双重验证。","product_intro":"ALPHAGAZ 1 CO2纯度高达99.9995%，杂质总含量低于5ppm，尤其适合超临界流体色谱、同位素分析及高精度校准。采用双层密封气瓶与惰性内衬，确保长期储存不降级。每瓶附带详细杂质分析报告，支持定制混合气体。","key_specs":["纯度: ≥99.9995%","杂质含量: H2O≤1ppm, O2≤0.5ppm, CO≤0.1ppm, THC≤0.1ppm","气瓶规格: 40L/50L","阀门类型: CGA-320/BS 341","工作压力: 15MPa","内衬: 电抛光不锈钢内壁"]}
• alt_products：[{"product_name":"ALPHAGAZ 高纯二氧化碳 99.9995%","brand":"液化空气","model":"ALPHAGAZ 1 CO2","price":520},{"product_name":"Airgas 高纯二氧化碳 99.999%","brand":"Airgas","model":"CD 50","price":450},{"product_name":"林德高纯二氧化碳 99.998%","brand":"林德气体","model":"HiQ CO2 5.0","price":380}]
• kol_quotes：["@色谱大神：ALPHAGAZ的CO2做SFC，峰形好到不需要校正。","@同位素专家：杂质低于0.1ppm，做13C标记实验毫无压力。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":94.4,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户几乎一致给出满分评价，认为这是市面上最纯净的CO2之一。超低杂质使其在顶级科研项目中无可替代，尤其受到超临界流体色谱和同位素实验室的推崇。价格较高，但用户认为物有所值。配送采用专用冷链车，确保气体品质。","source_count":0}},{"source":"objective","score":95.36,"weight":0.6,"confidence":0.8,"details":{"rating_avg":4.8,"review_count":190,"wom_score":94.4}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":190,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@色谱大神：ALPHAGAZ的CO2做SFC，峰形好到不需要校正。","@同位素专家：杂质低于0.1ppm，做13C标记实验毫无压力。"]}}]
• method_version：v3
• search_visual：null