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    • 5. 发明授权
    • Process for reclaiming rare-earth metallic oxide and/or rare-earth
metallic oxysulfide phosphors
    • 回收稀土金属氧化物和/或稀土金属氧硫化物荧光体的方法
    • US4473488A
    • 1984-09-25
    • US433080
    • 1982-10-06
    • Heinz BeckerleVolker GerstleGerhard Mauz
    • Heinz BeckerleVolker GerstleGerhard Mauz
    • C09K11/01C09K11/46
    • C09K11/01Y02W30/72
    • To a suspension of rare-earth phosphors and sulfidic or selenidic phosphors there is added about 1 to 2% of the amount of hypohalogenite which would be necessary to convert the entire sulfidic or selenidic chalcogenide phosphor into a soluble sulfate and/or selenate. When acidifying the dispersion to which hypohalgenite has been added, to a pH value of preferably between 1.5 and 2, a sedimentation of elementary sulphur and/or selenium forms and becomes attached to the sulfidic and/or selenidic phosphor solids, thus causing these phosphor solids to form sediment. The supernatant suspension containing the rare-earth phosphor is then decanted, and the rare-earth phosphor is reclaimed from the suspension.The disclosed reclaiming process is particularly suitable for decontaminating phosphor mixtures for use in manufacturing color television cathode-ray tubes.
    • 向稀土荧光体和硫化物或硒荧光体的悬浮液中加入约1-2%的次卤酸盐,这将是将整个硫化物或硒化硫族化物荧光体转化为可溶性硫酸盐和/或硒酸盐所必需的。 当将已加入次卤酸盐的分散体酸化至pH值优选为1.5至2时,基本硫和/或硒的沉淀物形成并附着到硫化物和/或硒化磷光体固体上,从而导致这些荧光体固体 形成沉积物。 然后将含有稀土荧光体的上清液悬浮液倾析,并从悬浮液中回收稀土荧光体。 所公开的回收方法特别适合用于制造彩色电视阴极射线管的净化荧光体混合物。
    • 8. 发明授权
    • Sampling device for liquid samples
    • 液体样品取样装置
    • US08409413B2
    • 2013-04-02
    • US10513870
    • 2003-05-02
    • Volker GerstleVolker UnkrigManfred Augstein
    • Volker GerstleVolker UnkrigManfred Augstein
    • C12M1/00
    • B01L3/502715B01L2200/026B01L2300/0636B01L2300/069B01L2300/0825B01L2300/0887B01L2400/0406G01N33/54386
    • A device for sampling liquid samples is provided comprising a capillary-active channel, a sampling site, and a determination site. The capillary-active channel is configured for transporting a sample from the sampling site to the determination site. The capillary-active channel is substantially formed by a carrier, a cover and an intermediate layer located between the carrier and cover. The carrier protrudes beyond the cover in the area of the sampling site. The intermediate layer is displaced towards the back in the direction of the determination site in the area of the sampling site so that the carrier as well as the cover protrude beyond the intermediate layer. The device allows sample to be applied from above onto the exposed area of the carrier in the area of the sampling site and also allows sample to be applied from the side.
    • 提供了一种用于采样液体样品的装置,其包括毛细管活动通道,取样部位和确定部位。 毛细管活动通道被配置为将样品从采样位置运送到确定位置。 毛细管主动通道基本上由载体,盖子和位于载体和盖子之间的中间层形成。 承运人在采样点的区域内突出超出盖。 中间层在取样位置的区域中沿着确定位置的方向向后移动,使得载体以及盖突出超过中间层。 该装置允许从上面将样品施加到采样区域的载体的暴露区域上,并且允许从侧面施加样品。