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    • 2. 发明申请
    • A METHOD FOR DETERMINING UREA IN MILK
    • 一种用于测定牛奶中尿素的方法
    • WO1993019364A1
    • 1993-09-30
    • PCT/DK1993000111
    • 1993-03-25
    • A/S FOSS ELECTRICNYGAARD, LarsLAPP, TorbenARNVIDARSON, Börkur
    • A/S FOSS ELECTRIC
    • G01N33/04
    • G01N33/04G01N21/3577G01N2201/129Y10S250/91
    • A method for determining, with an accuracy better than 0.007 %, expressed as Standard Error of Prediction, the concentration of urea in a concentration range of 0-0.1 % in a milk sample containing at least 1 % fat, at least 1 % dissolved lactose, and at least 1 % protein, by an infrared absorption measuring technique, comprising: (a) determining absorption in an infrared radiation waveband from 1000 cm-1 (10.0 um) to 4000 cm-1 (2.50 um) of the milk sample, wherein at least one determination is made in a waveband from 1000 cm-1 (10.0 um) to 1800 cm-1 (5.56 um), in which urea absorbs, at least one determination being made in a waveband in which fat absorbs, at least one determination being made in a waveband where lactose absorbs, and at least one determination being made in a waveband where protein absorbs; (b) determining, on the basis of the absorption determinations and predetermined parameters established by multivariate calibration, a contribution from fat, lactose, and protein in the waveband where urea absorbs, and (c) quantitatively assessing the concentration of urea in the sample on the basis of the absorption in the waveband where urea absorbs and on the basis of the determined contribution from fat, lactose, and protein in the waveband.
    • 4. 发明申请
    • DETERMINATION OF CHEMICAL OR PHYSICAL PROPERTIES OF SAMPLE OR COMPONENT OF A SAMPLE
    • 确定样品或样品的成分或化学成分的化学或物理性质
    • WO2007057016A1
    • 2007-05-24
    • PCT/DK2006/000636
    • 2006-11-16
    • CHEMOMETEC A/SARNVIDARSON, Börkur
    • ARNVIDARSON, Börkur
    • G01J3/45
    • G01J3/45
    • The present invention offers an alternative strategy for the correlation of interference information to chemical and/or physical properties of a sample . This strategy can be implemented in a method and a system, which offer substantial technical and commercial advantages over state of the art techniques based on interference spectroscopy. The method comprises the steps of : a. obtaining an interferogramm and/or at least one interferogram element corresponding to a modulation of electromagnetic signal emitted from, transmitted onto or through, or having interacted with at least a part of the sample, b. performing i . at least one transformation of the interferogram and/or a segment of the interferogram and/or an interferogram element with at least one function, ii . optionally repeating i) for another segment of the interferogram and/or interferogram element, wherein the transformation does not comprise a Fourier Transformation if i) is conducted only once, thereby obtaining at least one score, c . correlating said at least one score to the at least one chemical or physical property.
    • 本发明提供了用于将干扰信息与样品的化学和/或物理性质相关的替代策略。 该策略可以在与基于干涉光谱技术的现有技术相比提供实质的技术和商业优势的方法和系统中实现。 该方法包括以下步骤:a。 b)获得干涉图和/或至少一个干涉图元素,所述干涉图元素对应于从所述样品的至少一部分发射或经过或已经与所述样品的至少一部分相互作用的电磁信号的调制。 表演我 干涉图和/或具有至少一个功能的干涉图和/或干涉图元素的段的至少一次变换,ii。 可选地重复i)干涉图和/或干涉图元素的另一段,其中如果i)仅进行一次,则转换不包括傅里叶变换,从而获得至少一个分数c。 将所述至少一个分数与所述至少一个化学或物理性质相关联。
    • 5. 发明申请
    • DETERMINATION OF EXTRANEOUS WATER IN MILK SAMPLES, OR THE FREEZING POINT DEPRESSION OF MILK SAMPLES
    • 牛奶样品中特殊水分的测定,或奶制品样品的冷冻点滴定
    • WO1995016201A1
    • 1995-06-15
    • PCT/DK1994000462
    • 1994-12-09
    • FOSS ELECTRIC A/SARNVIDARSON, BörkurNYGAARD, LarsHANSEN, Per, Waaben
    • FOSS ELECTRIC A/S
    • G01N33/04
    • G01N25/04G01N21/3577G01N33/04
    • The present invention relates to a method for quantitatively assessing the amount of any extraneous water contained in a milk sample, the method comprising the steps of (a) performing a determination of the infrared (IR) attenuation of the sample in at least one waveband, (b) quantitatively assessing the amount of any extraneous water in the sample on the basis of the determination (a) and predetermined regression coefficients derived from multivariate calibration with respect to the relationship between infrared attenuation in the at least one waveband and the amount of extraneous water. The invention furthermore relates to a similar method for determining the freezing point depression of the sample. In addition, the invention relates to a method for the establishment of a set of regression coefficients for use in an instrument which determines the amount of extraneous water or the freezing point depression of a milk sample.
    • 本发明涉及一种用于定量评估牛奶样品中所含的任何外来水量的方法,该方法包括以下步骤:(a)在至少一个波段中进行样品的红外(IR)衰减测定, (b)基于所述测定(a)和相对于所述至少一个波段中的红外衰减与所述至少一个波段的量之间的关系从多变量校准得出的预定回归系数,定量评估样品中的任何外来水量 水。 本发明还涉及用于确定样品的凝固点下降的类似方法。 此外,本发明涉及一种用于确定用于确定牛奶样品的外来水量或凝点降低的仪器中的一组回归系数的方法。