气相色谱-顶空分析(Gas Chromatography-Headspace Analysis)是一种结合了气相色谱(GC)技术和顶空采样技术的分析方法,主要用于分析样品中的挥发性有机化合物(VOCs)和其他易挥发成分检测。气相-顶空法是药物成分和残留溶剂分析中一种准确、成熟的方法,是药典中建议的首选分析方法。
在制药行业,溶剂残留通常来源于制药业中在生产活性药物成分过程中产生的有机挥发性化学物质,或者直接来自药物的包装。ICH(国际人用药品注册技术协调会)根据对人体健康的危害将所有残留溶剂分为三类,并明确了制剂、辅料和药物产品之中容许的最高浓度。确保药物成品中溶剂残留量符合标准是药物检测至关重要的环节。
百灵威顶空溶剂具有以下特点:
残留溶剂含量严格符合ICH通则:一类溶剂残留量≤1ppm,二类溶剂残留量≤10ppm,三类溶剂残留量≤50ppm
产品高纯,99.9%-99.99%可选,满足不同检测需求
推出新品顶空溶剂,纯度达到99.9%,价格优惠,品质保证,覆盖常用品种,欢迎选购!
品名 | CAS | 货号 |
---|---|---|
N,N-Dimethylacetamide, 99.9%, for headspace gas chromatography N,N-二甲基乙酰胺 | 127-19-5 | 923992 |
Dimethyl sulfoxide, 99.9%, for headspace gas chromatography 二甲基亚砜 | 67-68-5 | 981430 |
N,N-Dimethylformamide, 99.9%, for headspace gas chromatography N,N-二甲基甲酰胺 | 68-12-2 | 939669 危化品 |
1-Methyl-2-pyrrolidinone, 99.9%, for headspace gas chromatography 1-甲基-2-吡咯烷酮 | 872-50-4 | 939255 |
品名 | CAS | 货号 |
---|---|---|
1-Methyl-2-pyrrolidinone, 99.8%, for headspace gas chromatography 1-甲基-2-吡咯烷酮 | 872-50-4 | 917380 |
Dimethyl sulfoxide, 99.99%, for headspace gas chromatography 二甲基亚砜 | 67-68-5 | 950646 |
N,N-Dimethylacetamide, 99.99%, for headspace gas chromatography N,N-二甲基乙酰胺 | 127-19-5 | 949095 |
N,N-Dimethylformamide, 99.99%, for headspace gas chromatography N,N-二甲基甲酰胺 | 68-12-2 | 979884 危化品 |
Water, for headspace gas chromatography 水 | 7732-18-5 | 932573 |
产品名称 | 货号 |
---|---|
Crimp-top headspace vials, 10ml, 20 mm, clear, round bottom, 22.5X46mm 钳口顶空瓶 | 963415 |
Crimp-top headspace vials, 10 ml, 20 mm, clear, 22.5×46 mm, first grade hydrolyzed glass 钳口顶空瓶 | 968631 |
Crimp-top headspace vials, 20 ml, 20 mm, clear, round bottom, 22.5×75.5 mm , first grade hydrolyzed glass 钳口顶空瓶 | 923229 |
Crimp-top headspace vials, 20ml, 20 mm, clear, round bottom, 22.5X75.5mm 钳口顶空瓶 | 921940 |
Crimp-top headspace vial caps and septa, 20 mm, silver aluminum cap, natural PTFE/natural silicone septum 钳口顶空瓶组合盖垫 | 2751592 |
Crimp caps for headspace vials, 20 mm, silver, open, aluminum, white PTFE/white silicone septum 钳口顶空瓶瓶盖 , 20 mm, 银色开口铝盖, 白色特氟龙/白色硅胶隔垫, 中心孔10 mm | 989355 |
Crimp caps for headspace vials, 20 mm, silver, open, aluminum, natural PTFE/natural silicone septum 钳口顶空瓶瓶盖 , 20 mm, 银色开口铝盖, 本色特氟龙/本色硅胶隔垫, 中心孔10 mm | 969761 |
Precision screw thread headspace vials, 20 ml, 18 mm, amber, round bottom, 22.5X75.5 mm, USP type 1 精密螺纹顶空瓶 | 928370 |
Magnetic screw cap for headspace vials, 18 mm, silver, open, metallic, blue PTFE/white silicone septum, center hole 8 mm 螺口顶空瓶磁性瓶盖 | 975320 |
品名 | CAS | 货号 |
---|---|---|
Hand crimper, for use with 20 mm crimp seals, metal plating type 手动压盖器 | / | 958874 |
Hand crimper, for use with 20 mm crimp seals, plastic model 手动压盖器 | / | 931122 |
Hand crimper, economy type, for use with 11 mm crimp seals, 手动压盖器 | / | 902346 |
Hand crimper, economy type, for use with 20 mm crimp seals 手动压盖器 | / | 978388 |
Hand decrimper, for use with 20 mm cap opener 手动启盖器 | / | 903442 |