GC-IRMS是气相色谱-同位素比值质谱技术的缩写,它结合了气相色谱(GC)和同位素比值质谱(IRMS)的原理。首先,让我们来了解一下气相色谱的原理。气相色谱是一种分离和分析化合物的方法,它利用气相载气将混合物中的化合物分离开来,然后通过检测器进行检测和定量分析。气相色谱的分离原理是基于化合物在固定相(填料)和流动相...
(1)点击 ,双击选择 ,进行GC方法设置 (2)在“Instrument”→“Oven”下设置气相升温程序;注意GC现有使用色谱柱为DB-5型,“Max Temp”350为℃,程序升温设置时最高温度不要超过320℃。 (3)“Instrument”→“Right inlet-SSL”中: Temperature:220℃(进样口温度,关机降低至120℃) Split flow:一般为50ml/min;...
气相色谱-同位素比质谱仪(gc- irms). 更新时间:2024年12月19日 综合排序 人气排序 价格 - 确定 所有地区 实力供应商 已核验企业 在线交易 安心购 查看详情 ￥500.00万/台 上海 赛默飞Ultra高分辨率同位素比质谱仪 热电IRMS 赛默飞品牌 上海庄润国际贸易有限公司 3年 查看详情 ￥666.00/台 广东广州 德国...
Application Note: GC-IRMS: δ13C in Fatty Acid Methyl Esters (FAME) Application Note: : δ13C Analysis of PAHs in Soil and Sediment Samples Using High Resolution GC Coupled with Isotope Ratio MS Tecnical note: Standard Operating Procedure for δ13C, δ2H and δ18O analysis of vanillin in...
Thermo Scientific GC-IRMS Discover More using the Next Generation of GC-IRMS Discover More . . . using the Next Generation of GC-IRMS Add Isotope Ratio Information to Your Research Chemical and physical processes can change the natural isotope composition of organic compounds. The carbon, nitrogen...
In addition, significant advances in the measurement of stable isotopes include the use of purge and trap systems to concentrate contaminants and to lower detection limits on theGC-IRMSfrom the ppm to the ppb concentration range and the development of hydrogen isotope analysis for chlorinated hydrocar...
想利用GCIRMS测甲酸乙酸碳同位素，但是配置10ppm的甲酸的乙醇溶液，还是没有峰出现，求各位大神指导同位素...
We developed the GC5 gas chromatograph to deliver the highest performance GC-IRMS system for biogeochemistry and forensic research. Compound-specific isotope analysis provides a deep-level insight into many geochemical and forensic applications and is considered to be a crucial technique for many labora...
🔥 GC-C-IRMS,又称单体同位素分析(CSIA),是一种强大的仪器组合。它由气相色谱(GC)、中间连接装置(C)和同位素质谱仪(IRMS)三部分构成。🔬 在有机物同位素测定的过程中,有机物首先通过GC,利用不同的升温程序,将溶解在溶剂中的不同组分分离出来。🧪 接着,这些分离出来的组分随着He气流进入燃烧炉,在高温氧化...
GC-IRMS: δ13C in Fatty Acid Methyl Esters (FAME) Andreas W. Hilkert, Dieter Juchelka, Thermo Fisher Scientific, Bremen, Germany; Charles B. Douthitt, Thermo Fisher Scientific, Arizona, USA Key Words Compound Specific Isotope Ratio, Fatty Acid Methyl Esters, Isotope Ratio MS Introduction Gas...