公开(公告)号：US5859360A

公开(公告)日：1999-01-12

申请号：US646308

申请日：1996-05-15

申请人： Paolo Magni ,  Giacinto Zilioli ,  Fausto Munari ,  Sorin Trestianu ,  Pieralbino Colombo

发明人： Paolo Magni ,  Giacinto Zilioli ,  Fausto Munari ,  Sorin Trestianu ,  Pieralbino Colombo

IPC分类号： G01N30/02 ,  G01N30/30 ,  G01N30/32 ,  G01N30/86 ,  C07C1/135

CPC分类号： G01N30/32 ,  G01N2030/025 ,  G01N2030/3084 ,  G01N2030/324 ,  G01N30/8658

摘要： There is provided a method and apparatus for controlling the carrier gas flow through a gas chromatographic apparatus with capillary column subjected to variations in temperature, through control of feeding pressure achieved following computerized processing of the equation of the carrier flow rate as a function of inlet pressure, column temperature and system structural parameters, including preliminary determination of the system parameters through detection of pressure, temperature and flow rate values in stabilized conditions of carrier passage through apparatus and calculation of a constant representing said parameters on the basis of values detected and in application of the aforesaid equation; storage of aforesaid constant; utilization of constant in the mentioned equation for controlling carrier flow rate through calculation and control of its feeding pressure during utilization of the gas chromatographic apparatus.

摘要翻译： PCT No.PCT / EP95 / 03627 Sec。 371日期：1996年5月15日 102（e）日期1996年5月15日PCT提交1995年9月15日PCT公布。 公开号WO96 / 08718 日期1996年3月21日提供了一种方法和装置，用于控制通过气相色谱仪的载气流动，毛细管柱经受温度变化，通过控制通过计算机处理载体流速方程式后的进料压力， 入口压力，柱温度和系统结构参数的函数，包括通过检测载体通过设备的稳定条件下的压力，温度和流量值初步确定系统参数，并计算基于 检测到的值和上述方程的应用; 储存上述常数; 利用上述方程中的常数，通过计算和控制气相色谱仪利用期间的进料压力来控制载流子流量。

公开(公告)号：US06451614B1

公开(公告)日：2002-09-17

申请号：US09588400

申请日：2000-06-06

申请人： Konrad Grob ,  Fausto Munari ,  Sorin Trestianu ,  Paolo Magni

发明人： Konrad Grob ,  Fausto Munari ,  Sorin Trestianu ,  Paolo Magni

IPC分类号： G01N3002

CPC分类号： G01N30/18 ,  G01N30/12 ,  G01N2030/126 ,  Y10T436/2575 ,  G01N2030/8447

摘要： A method and device for vaporization injection in which there is at least one constriction between the end of the sample injection needle or tube and the interior of the heated vaporization chamber. The terminal part of the needle or tube can be heated to improve nebulisation of the sample and therefore its vaporization speed.

摘要翻译： 一种用于汽化喷射的方法和装置，其中在样品注射针或管的端部与加热的蒸发室的内部之间存在至少一个收缩。 可以加热针或管的末端部分以改善样品的雾化并因此改善其蒸发速度。

公开(公告)号：US5738707A

公开(公告)日：1998-04-14

申请号：US766397

申请日：1996-12-12

申请人： Pier Albino Colombo ,  Paolo Magni ,  Fausto Munari ,  Sorin Trestianu

发明人： Pier Albino Colombo ,  Paolo Magni ,  Fausto Munari ,  Sorin Trestianu

IPC分类号： G01N30/02 ,  G01N30/12 ,  G01N30/30 ,  G01N30/88 ,  B01D15/08

CPC分类号： G01N30/12 ,  G01N2030/025 ,  G01N2030/127 ,  G01N2030/8804

摘要： A device and method are described for the gas chromatographic separation of a sample, aimed in particular at the analysis of large volume samples. Provision is made for the use of calculating and memorizing a plurality of reference values corresponding to the evaporation rates of solvents combined with a carrier gas for a corresponding plurality of discrete values representing the conditions of pressure, temperature, injected sample volume and sample injection rate. The effective solvent evaporation rate is then calculated in correspondence to the effective conditions in which the process is carried out to determine the volumetric fraction of the sample which is transferred through the capillary column in relation to its characteristics and geometrical dimensions.

摘要翻译： 描述了用于样品的气相色谱分离的装置和方法，特别是针对大体积样品的分析。 规定用于计算和记忆对应于与载气组合的溶剂的蒸发速率的多个参考值用于表示压力，温度，注入样品体积和样品注入速率条件的相应多个离散值。 然后根据进行该过程的有效条件计算有效的溶剂蒸发速率，以确定通过毛细管柱相对于其特性和几何尺寸转移的样品的体积分数。

公开(公告)号：US4771628A

公开(公告)日：1988-09-20

申请号：US465265

申请日：1983-02-09

申请人： Giorgio Sisti ,  Bruno Tosi ,  Giovanni Ostan ,  Fausto Munari ,  Ermete Riva ,  Sorin Trestianu

发明人： Giorgio Sisti ,  Bruno Tosi ,  Giovanni Ostan ,  Fausto Munari ,  Ermete Riva ,  Sorin Trestianu

IPC分类号： G01N30/54 ,  G01N30/30 ,  G01N30/02

CPC分类号： G01N30/30 ,  G01N2030/3084

摘要： This invention concerns a chamber for chromatographic analyses, in which capillary columns, in particular columns of fused silica, are thermally conditioned. The chamber comprises a thermally insulated space which can be perfectly sealed towards the outside and which houses means for heating the air and at least a fan for air circulation inside said space. In order to make the air flow going to the column(s) within the chamber as homogeneous and stable as possible from the thermal viewpoint the heating means are positioned on the suction side of the fan or of each fan, so to cause a perfect mixing of cold and hot fluid flow threads or lines in correspondence with the fan itself, and thereby obtain a uniform and stable air current from the fan towards the column.

摘要翻译： 本发明涉及用于色谱分析的室，其中毛细管柱，特别是熔融二氧化硅柱是热调节的。 所述腔室包括可以向外部完美密封的绝热空间，并且该室具有用于加热空气和至少一个用于在所述空间内空气循环的风扇的装置。 为了使空气流从室内尽可能均匀且稳定的空气流到风扇或每个风扇的吸入侧，从而使得完全混合 冷却和热流体流动线或与风扇本身对应的线，从而获得从风扇朝向柱的均匀和稳定的气流。

公开(公告)号：US4621534A

公开(公告)日：1986-11-11

申请号：US647986

申请日：1984-09-06

申请人： Fausto Munari ,  Bruno Tosi ,  Sorin Trestianu ,  Enzo Montagner

发明人： Fausto Munari ,  Bruno Tosi ,  Sorin Trestianu ,  Enzo Montagner

IPC分类号： G01N30/24 ,  G01N1/00

CPC分类号： G01N30/24

摘要： The present invention relates to an automatic sampling apparatus for sample injection into a gas chromatographic column. In order to allow automatic injection with a non-vaporizing direct on-column injector, the apparatus includes a switch valve, an on-column injector, and a pre-column each having a passage with a diameter greater than 0.5 mm for receiving the injection syringe. The present invention also relates to a device provided with a series of small arms for driving the needle during injection, a switch valve constructed and arranged in a manner to prevent any contamination of the injector by the sample during the injection step, as well as an injection method which can be used with the apparatus and switch valve.

摘要翻译： 本发明涉及一种用于样品注入气相色谱柱的自动取样装置。 为了允许使用不蒸发的直接柱上注射器进行自动注射，该装置包括切换阀，柱内注射器和预柱，每个柱具有直径大于0.5mm的通道，用于接收注射 注射器。 本发明还涉及一种设置有一系列用于在注射期间驱动针的小臂的装置，一种构造和布置以防止在注射步骤期间样品对注射器的任何污染的开关阀，以及 可与设备和切换阀一起使用的注射方法。

公开(公告)号：US4786475A

公开(公告)日：1988-11-22

申请号：US131810

申请日：1987-12-11

申请人： Sorin Trestianu ,  Fausto Munari ,  Carlo Saravalle

发明人： Sorin Trestianu ,  Fausto Munari ,  Carlo Saravalle

IPC分类号： G01N25/14 ,  G01N30/02 ,  G01N30/54 ,  G01N30/68 ,  G01N30/88 ,  G01N33/28 ,  G01N21/00

CPC分类号： G01N30/88 ,  G01N2030/025 ,  G01N2030/8854 ,  G01N33/28

摘要： The invention concerns a method and an equipment for the simulated distillation, by means of gas chromatography, of petroleum products, capable of characterizing also high boiling products, exceeding C55, over 600.degree. C. TBP. A chromatograph is used with a capillary column having a length less than or equal to 10 m, containing an immobilized non polar polydimethylsilicon gum stationary phase with a film thickness less than or equal to 0.2 .mu.m. The sample is introduced through a non vaporizing direct cold on-column injection and the eluted sample is detected by means of a FID detector. The column oven is operated in temperature programming conditions up to temperatures exceeding 400.degree. (up to 430.degree.-450.degree. C.).

公开(公告)号：US4757023A

公开(公告)日：1988-07-12

申请号：US810927

申请日：1985-12-19

申请人： Sorin Trestianu ,  Fausto Munari ,  Carlo Saravalle

发明人： Sorin Trestianu ,  Fausto Munari ,  Carlo Saravalle

IPC分类号： G01N25/14 ,  G01N30/02 ,  G01N30/54 ,  G01N30/68 ,  G01N30/88 ,  G01N33/28 ,  G01N21/00

CPC分类号： G01N30/88 ,  G01N2030/025 ,  G01N2030/8854 ,  G01N33/28

摘要： The invention concerns a method and an equipment for the simulated distillation, by means of gas chromatography, of petroleum products, capable of characterizing also high boiling products, exceeding C55, over 600 C TBP. A chromatograph is used with a capillary column having a length less than or equal to 10 m, containing an immobilized non polar polydimethylsilicon gum stationary phase with a film thickness less than or equal to 0.2 .mu.m. The sample is introduced through a non vaporizing direct cold on-column injection and the eluted sample is detected by means of a FID detector. The column oven is operated in temperature programming conditions up to temperatures exceeding 400 (up to 430-450 C.).

摘要翻译： 本发明涉及用于通过气相色谱法模拟蒸馏的方法和设备，其能够表征超过C55，超过600C TBP的高沸点产物。 使用具有长度小于或等于10μm的毛细管柱的色谱仪，其含有膜厚度小于或等于0.2μm的固定的非极性聚二甲基硅胶固定相。 通过非汽化的直接冷柱上注入引入样品，并通过FID检测器检测洗脱的样品。 柱温箱在高于400（最高达430-450℃）的温度编程条件下工作。

公开(公告)号：US4734107A

公开(公告)日：1988-03-29

申请号：US817195

申请日：1986-01-08

申请人： Sorin Trestianu ,  Fausto Munari ,  Giovanni Ostan ,  Carlo Saravalle

发明人： Sorin Trestianu ,  Fausto Munari ,  Giovanni Ostan ,  Carlo Saravalle

IPC分类号： B01D15/08 ,  G01N30/16 ,  G01N30/30

CPC分类号： G01N30/16 ,  G01N30/30 ,  G01N2030/167

摘要： The invention relates to a method and device for direct non-vaporizing on column-injection of samples containing high boiling point and/or medium volatile compounds, in gas chromatographic analysis on capillary column. For reasons of economy, the oven containing the column is maintained at a temperature very mcuh higher than the boiling point of the solvent, while the initial part of the column (at least 10 cm) is cooled during the injection. The quantity of sample and solvent injected is related to the length of the cooled section of the column.

摘要翻译： 本发明涉及在毛细管柱的气相色谱分析中直接不蒸发的方法和装置，用于在含有高沸点和/或中等挥发性化合物的样品的柱上注入。 为了经济的原因，含有柱的烘箱保持在高于溶剂沸点的温度，同时在喷射过程中将塔的初始部分（至少10cm）冷却。 注入的样品和溶剂的量与柱的冷却段的长度有关。

公开(公告)号：US4559063A

公开(公告)日：1985-12-17

申请号：US648220

申请日：1984-09-07

申请人： Fausto Munari ,  Giovanni Ostan ,  Carlo Saravalle ,  Bruno Tosi ,  Sorin Trestianu

发明人： Fausto Munari ,  Giovanni Ostan ,  Carlo Saravalle ,  Bruno Tosi ,  Sorin Trestianu

IPC分类号： G01N30/10 ,  G01N30/12 ,  G01N30/16 ,  G01N30/18 ,  B01D15/08

CPC分类号： G01N30/18 ,  G01N30/12 ,  G01N30/16 ,  G01N2030/127 ,  G01N30/10

摘要： The invention relates to a direct on column non-vaporizing injector for gas chromatographic analyses and comprising an accessory device capable of allowing injection with sample vaporization and possible splitting. The accessory device is formed by a tubular element which, at one end, can be fixed to the injector body coaxially to the passage for the injection syringe needle, while its opposite end is closed by an insert provided with an axial hole in which the gas chromatographic capillary column head is pneumatically inserted, said insert being provided with at least one other hole for splitting the vaporized sample. The tubular element houses a vaporization tube which under conditions of thermal exchange with heating means, is pneumatically connected to said passage for the injection syringe needle and to said insert holes and receives the upper end of the gas chromatogaphic column. Gas is employed countercurrently to strip off undesired components while the liquid sample is held in the vaporization chamber.

摘要翻译： 本发明涉及一种用于气相色谱分析的直列非气相注射器，并且包括能够允许注射样品蒸发和可能分裂的附件装置。 附件装置由管状元件形成，该管状元件的一端可以与注射器针头的通道同轴地固定到注射器主体，同时其相对端由设置有轴向孔的插入件封闭，其中气体 色谱毛细管柱头被气动插入，所述插入件设置有至少一个用于分离蒸发的样品的另一个孔。 管状元件容纳蒸发管，在与加热装置进行热交换的条件下，气动连接到注射针头的所述通道和所述插入孔并接收气体色谱柱的上端。 当液体样品保持在蒸发室中时，逆流采用气体以剥离不需要的组分。

公开(公告)号：US06357277B1

公开(公告)日：2002-03-19

申请号：US09404928

申请日：1999-09-24

申请人： Fausto Pigozzo ,  Pier Albino Colombo ,  Paolo Magni ,  Sorin Trestianu

发明人： Fausto Pigozzo ,  Pier Albino Colombo ,  Paolo Magni ,  Sorin Trestianu

IPC分类号： B01D1508

CPC分类号： G01N30/8665 ,  G01N30/32 ,  G01N30/8631 ,  G01N30/8658 ,  G01N30/8668 ,  G01N2030/324 ,  G01N2030/8804

摘要： The invention concerns a method for the realignment of peaks in gas chromatographic analyses after the replacement of the used capillary column with a nominally equal one, wherein a K coefficient characteristic of the column is preventively calculated by flowing carrier gas in the column under stabilized conditions of pressure and flow rate and of the column temperature, said K coefficient being stored in a memory of the gas chromatographic system. Said K coefficient is used to correlate at least two of the above mentioned parameters in subsequent analyses, obtaining an automatic realignment of peaks. The invention also concerns the analytical equipment to perform the method, and the capillary gas chromatographic column characterized as reported above.

摘要翻译： 本发明涉及一种用于在用已知毛细管柱以等于1替换所用毛细管柱之后气相色谱分析中的峰重新对准的方法，其中通过在柱的稳定条件下使载气流动来预测地计算塔的K系数特性 压力和流速以及柱温度，所述K系数存储在气相色谱系统的存储器中。 所述K系数用于在后续分析中将至少两个上述参数相关联，获得峰的自动重新对准。 本发明还涉及执行该方法的分析设备，以及如上所述的毛细管气相色谱柱。