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    • 1. 发明授权
    • Atomic absorption spectrophotometer
    • 原子吸收分光光度计
    • US07050165B2
    • 2006-05-23
    • US10767443
    • 2004-01-30
    • Mitsuru OonumaYoshimi KasaiHayato Tobe
    • Mitsuru OonumaYoshimi KasaiHayato Tobe
    • G01N21/31
    • G01N21/3103G01J3/42
    • A main unit, a lamp chamber, a graphite furnace analyzing section, a flame analyzing section, and a flame gas controller are sequentially placed from right to left. An autosampler is placed on the top of the lamp chamber. A housing section for a transformer and a power supply unit is provided behind the lamp chamber, the graphite furnace analyzing section, the flame analyzing section, and the flame gas controller. The housing section is used as a space for a power unit used for the whole atomic absorption spectrophotometer, as well as the graphite furnace analyzing section. The housing section is also used as space for a circuit board for controlling the whole atomic absorption photometer. The autosampler has a quadrangular sample tray. The autosampler drives an arm for holding an aspiration needle in the left and right directions and also in up and down directions.
    • 从左到右依次放置主体,灯室,石墨炉分析部,火焰分析部和火焰气体控制器。 自动进样器放置在灯室的顶部。 在灯室,石墨炉分析部,火焰分析部和火焰气体控制器之后设置用于变压器的壳体部分和电源单元。 壳体部分用作用于整个原子吸收分光光度计的功率单元的空间,以及石墨炉分析部分。 壳体部分还用作用于控制整个原子吸收光度计的电路板的空间。 自动进样器具有四边形样品盘。 自动进样器驱动臂,用于在左右方向以及上下方向上夹持吸针。
    • 3. 发明授权
    • Atomic absorption spectrophotometer
    • 原子吸收分光光度计
    • US6020958A
    • 2000-02-01
    • US238318
    • 1999-01-28
    • Hayato TobeKazuo MoriyaHiromi YamashitaYasushi Terui
    • Hayato TobeKazuo MoriyaHiromi YamashitaYasushi Terui
    • G01N21/31G01N21/74
    • G01N21/3103
    • An atomic absorption spectrophotometer possessing an electrical heating unit which includes a graphite tube for atomizing a sample by heating the sample; a light emitting unit for emitting measuring light and irradiating the atomized sample with the measuring light; a spectroscope unit for diffracting the measuring light passing the electrical heating unit and selecting the required wavelength component; a detection unit for detecting the quantity of the required wavelength component selected by the spectroscope unit; an input unit to input at least one of the wavelengths of the required wavelength component and the required heating temperature of the electrical heating unit; and a control unit for controlling the above units, which comprises a shading device provided at the propagation axis of the measuring light between the electrical heating unit and the detection unit, and which possesses a light transmitting unit, for restricting the quantity of the measuring light passing the electrical heating unit, with the area of the light transmitting unit being changeable; and wherein the area of the light transmitting unit in the shading device is changed according to the set measurement conditions.
    • 具有电加热单元的原子吸收分光光度计,其包括通过加热样品来雾化样品的石墨管; 用于发射测量光并用所述测量光照射所述雾化样品的发光单元; 用于衍射通过电加热单元的测量光并选择所需波长分量的分光器单元; 检测单元,用于检测由所述分光器单元选择的所需波长分量的量; 输入单元,用于输入所述电加热单元所需波长分量和所需加热温度的至少一个波长; 以及用于控制上述单元的控制单元,其包括设置在电加热单元和检测单元之间的测量光的传播轴上的遮光装置,并具有用于限制测量光量的光传输单元 通过电加热单元,光传输单元的区域是可变的; 并且其中遮光装置中的光发射单元的面积根据设定的测量条件而改变。
    • 5. 发明授权
    • Atomic absorption spectrophotometer and graphite tube type cuvette used
for the same
    • 原子吸收分光光度计和石墨管式比色皿用于相同
    • US5822059A
    • 1998-10-13
    • US633234
    • 1996-04-16
    • Hayato TobeKazuo MoriyaYoshisada EbataYasushi Terui
    • Hayato TobeKazuo MoriyaYoshisada EbataYasushi Terui
    • G01N21/31G01N21/74G01J3/30
    • G01N21/74
    • The invention intends to provide an atomic absorption spectrophotometer which can establish a uniform heat distribution during heating of a sample and can improve analysis accuracy and analyzing efficiency. For this purpose, a graphite tube type cuvette mounted in a graphite atomizer furnace for an atomic absorption spectrophotometer comprises a large-diameter portion for retaining a sample in place, a small-diameter portion connected to the large-diameter portion and having a smaller diameter than the large-diameter portion, and a step portion for demarcating between the large-diameter portion and the small-diameter portion. The graphite tube type cuvette is formed such that its cross-sectional area in a plane perpendicular to the direction of passage of an electric current supplied to the cuvette is the same in any of the large-diameter portion, the small-diameter portion and the step portion. The amount of resistance heat is thereby also the same in any portions.
    • 本发明旨在提供一种原子吸收分光光度计,可在样品加热期间建立均匀的热分布,并可提高分析精度和分析效率。 为此,安装在用于原子吸收分光光度计的石墨雾化炉中的石墨管型比色皿包括用于将样品保持在适当位置的大直径部分,与大直径部分连接并具有较小直径的小直径部分 和大直径部分之间划分的台阶部分,以及用于在大直径部分和小直径部分之间划定的台阶部分。 石墨管型比色皿形成为使得其在垂直于供给到比色杯的电流的通过方向的平面中的横截面面积在大直径部分,小直径部分和 步骤部分。 因此,电阻热的量在任何部分也是相同的。
    • 7. 发明授权
    • Atomic absorption spectrophotometer
    • 原子吸收分光光度计
    • US4867562A
    • 1989-09-19
    • US196263
    • 1988-05-20
    • Konosuke OishiMasamichi TsukadaMasatoshi KitagawaToyoharu OkumotoHayato Tobe
    • Konosuke OishiMasamichi TsukadaMasatoshi KitagawaToyoharu OkumotoHayato Tobe
    • G01N21/31G01N21/74
    • G01N21/3103G01N2021/3111G01N2021/3114G01N21/74G01N2201/06166
    • An atomic absorption spectrophotometer for simultaneously measuring a plurality of elements different in kind from each other. A cylindrical heating furnace is provided for heating a sample being analyzed to dry, ash and atomize the sample thereby producing atomic vapor. A plurality of hollow-cathode discharge tubes corresponding in number to the elements being detected are arranged for simultaneously emitting light beams respectively containing line spectra of the respective elements, to cause the light beams to be incident upon the heating furnace at respective angles of inclination with respect to a central axis of the heating furnace. A plurality of spectral detection systems are arranged behind the heating furnace in relation to the angles of inclination, for respectively spectral-diffracting and receiving the light beams having their respective line spectra absorbed by the atomic vapor. A signal processing device is provided for carrying out calculation to obtain concentrations or quantities of the respective elements in the sample being analyzed, on the basis of respective ratios of atomic resonance absorption of the respective line spectra spectral-detected.
    • 一种用于同时测量彼此不同种类的多种元素的原子吸收分光光度计。 提供圆柱形加热炉,用于加热被分析的样品以干燥,灰分并雾化样品,从而产生原子蒸气。 多个对应于被检测的元件的空心阴极放电管被布置成同时发射分别包含各个元件的线谱的光束,以使光束以相应的倾角入射到加热炉上, 相对于加热炉的中心轴线。 多个光谱检测系统相对于倾斜角度布置在加热炉后面,用于分别衍射和接收具有由原子蒸气吸收的各自线谱的光束。 提供信号处理装置,用于根据频谱检测的各个线谱的原子共振吸收的相应比例进行计算以获得正在分析的样品中的各元素的浓度或数量。
    • 8. 发明授权
    • Analysis device using chemical combustion flame
    • 使用化学燃烧火焰的分析装置
    • US5801827A
    • 1998-09-01
    • US851291
    • 1997-05-05
    • Kazuo MoriyaYasushi TeruiHayato TobeYoshisada EbataHisashi Kimoto
    • Kazuo MoriyaYasushi TeruiHayato TobeYoshisada EbataHisashi Kimoto
    • G01N21/31G01N21/72
    • G01N21/72
    • In an analysis device, an auxiliary gas supplied from a compressor 1 is introduced from an auxiliary gas inlet 3 via a pipe 2 to a burner through a pressure regulator 5, a pressur meter 6, a pressure switch 7 and a connecting joint 8. On the other hand, a combustible gas supplied from a gas bomb 9 is introduced from a combustible gas inlet 11 via a pipe 10 to the burner through a first electromagnetic valve 12, a pressure regulator 13, a pressure meter 14, a needle valve 15, a second electromagnetic valve 16 and a connecting joint 17 and further via a tube. An auxiliary gas use block 4, on which auxiliary gas flow controlling elements such as the pressure regulator 5, the pressure meter 6 and the pressure switch 7 are secured, is provided independent and separated from a combustible gas use block 18, on which combustible gas flow controlling elements such as the first electromagnetic valve 12, the pressure regulator 13, the pressure meter 14, the needle valve 15 and the second electromagnetic valve 16 are secured. Whereby the analysis device using chemical combustion flame having an element safety is provided in which possible danger caused by such as the gas leakage and the gas mixing between the combustible gas passage and the auxiliary gas passage is further reduced.
    • 在分析装置中,从压缩机1供给的辅助气体通过压力调节器5,压力计6,压力开关7以及连接接头8,从辅助气体入口3经管道2引入燃烧器。 另一方面,从燃气弹9供应的可燃气体经由管道10从可燃气体入口11通过第一电磁阀12,压力调节器13,压力计14,针阀15, 第二电磁阀16和连接接头17,并且还经由管。 辅助气体使用块4,其上固定有诸如压力调节器5,压力表6和压力开关7等辅助气体流量控制元件,与可燃气体使用块18独立地分离并且与可燃气体使用块18分离, 确保了诸如第一电磁阀12,压力调节器13,压力计14,针阀15和第二电磁阀16之类的流量控制元件。 由此,提供了使用具有元件安全性的化学燃烧火焰的分析装置,其中进一步降低了由可燃气体通道和辅助气体通道之间的气体泄漏和气体混合引起的可能的危险。