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headers already sent by (output started at /www/wwwroot/www.ekeyan.com/system/framework.php:44) in /www/wwwroot/www.ekeyan.com/catalog/controller/startup/session.php on line 25Warning: Cannot modify header information - headers already sent by (output started at /www/wwwroot/www.ekeyan.com/system/framework.php:44) in /www/wwwroot/www.ekeyan.com/system/storage/modification/catalog/controller/startup/startup.php on line 127Warning: Cannot modify header information - headers already sent by (output started at /www/wwwroot/www.ekeyan.com/system/framework.php:44) in /www/wwwroot/www.ekeyan.com/system/storage/modification/catalog/controller/startup/startup.php on line 182 气相色谱质谱联用仪测试

气相色谱质谱联用仪测试

¥100.00

  • 型号: Agilent 7890A
  • 商品库存: 有现货

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气相色谱质谱联用仪测试

适用领域

主要用于解决挥发性化合物的结构分析。适用于有机合成物确认、天然产物研究、农残监测、食品监测、环境污染物确认、石油化工、材料研究等诸多领域

面向学科

有机化学,环境科学,材料科学等领域

样品要求

1)    需提供测试色谱条件,不包含样品前处理 2)    有毒易挥发样品请提前告知,对其它可能危害仪器的样品必须事先注明,并告知相关防护措施

收费标准

1)    液体直接进样    100元/针; 2)    顶空进样           150元/样; 3)    SPME                200元/样; 4)    吹扫补集            200元/样; 

测试仪器

    仪器名称 气相色谱质谱联用仪     仪器型号 7890A/7000C     仪器厂家 Agilent     标 签 气质联用、GC-MS、GCMS、三重四级杆、质谱

仪器参数

    1.柱温箱             (1)温度范围:室温以上4˚C—450˚C;             (2)流量设定范围:0~200ml/min(以N2为载气时);0-1000ml/min(以H2,He为载气时);     2.氢火焰离子化检测器(FID)             (1)温度范围:1℃步进可达450℃;             (2)最低检测限:<1.8 pg C / sec;             (3)线性范围:>107 ;             (4)数据采集频率:500HZ;     3.电子捕获检测器(ECD)             (1)最高使用温度:400℃;             (2)放射源:<5mCi 63Ni箔;             (3)最低检测限:<0.006pg/sec(六氯化苯)     4.氮磷检测器(NPD)             (1) 最低检测限:<0.4pg 氮/秒,<0.2pg 磷/秒(偶氮苯/马拉硫磷);             (2)动态线性范围:>105(氮和磷),(偶氮苯/马拉硫磷);             (3)选择性:35,000:1克氮/克碳,75,000:1 克磷/克碳(偶氮苯/马拉硫磷);             (4)最高使用温度:400℃;     5.质谱检测器             (1) 离子化能量:5-241.5eV;             (2)离子源温度:独立控温,106-350˚C可调;             (3)分析器:整体镀金双曲面四极杆,独立温控, 106˚C - 200˚C;             (4)碰撞池:线性六级杆,具有线性加速技术;             (5)检测器:两次离轴离子检测器(TAD)及长寿命电子倍增器;             (6)扫描方式: 全扫描、子离子扫描、母离子扫描、中性丢失扫描、MRM扫描(用于定量分析)、自动MS/MS扫描方式,选择离子检测;             (7)质量数范围:1.2-1050amu,以0.1amu递增;             (8)分辨率:单位质量数分辨;             (9)灵敏度:自动调谐模式。                 MS/MS模式(EI): 100fg八氟萘(OFN),信/噪比≥500:1                 MS/MS模式(PCI):100fg BZP,信/噪比≥20:1 EI全扫描模式:1pg八氟萘(OFN),信/噪比≥300:1                 EI选择离子检测:25fg八氟萘(OFN),信/噪比≥10:1                 PCI 全扫描模式:100pg BZP S/N>100:1                 PCI选择离子检测:1pg BZP S/N>10:1

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