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公开(公告)号：USRE32861E
公开(公告)日：1989-02-07
申请号：US170932
申请日：1980-07-21
IPC分类号： G01N5/04
CPC分类号： G01N5/045
摘要： An automatic volatility computer is described as well as a method for automatically determining weight changes in substances containing volatile material. In particular, there is described an apparatus which automatically determines the percentage of volatiles in a substance which contains unknown quantities of polar volatiles such as water or moisture, solvents, plasticizers and the like. The apparatus provides rapid automatic analysis without operator assistance other than the placing of a sample on the automatic balance. In the preferred embodiment, a digital panel meter provides rapid readout coupled with the ability to recall the original weight and the weight obtained after removal of the volatiles.
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公开(公告)号：US4457632A
公开(公告)日：1984-07-03
申请号：US29882
申请日：1979-04-13
CPC分类号： G01N5/04
摘要： An automatic volatility computer and a method for automatically determining weight changes in substances containing a volatile material. In particular, an apparatus which automatically determines the percentage of volatiles in a substance which contains unknown quantities of polar volatiles such as water or moisture, solvents, plasticizers and the like. The apparatus provides rapid automatic analysis without operator assistance other than the placing of the sample on the automatic balance. The particular improvement in the present invention relates to the ability of the apparatus to project final dry weight without completely drying the test sample utilizing a short heat induction period. This improvement greatly reduces the heat time required and avoids overdrying of the test sample.
摘要翻译： 自动挥发性计算机和用于自动确定含有挥发性物质的物质的重量变化的方法。 特别是一种自动确定含有未知量的极性挥发物如水或水分的物质中的挥发物的百分比，溶剂，增塑剂等的装置。 除了将样品放置在自动平衡上之外，该设备还提供快速的自动分析，无需操作人员的帮助。 本发明的具体改进涉及该设备投射最终干重的能力，而不用在短的热诱导期内完全干燥测试样品。 这种改进大大减少了所需的加热时间并避免了测试样品的过度干燥。
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公开(公告)号：US4438500A
公开(公告)日：1984-03-20
申请号：US29883
申请日：1979-04-13
CPC分类号： G01N5/04
摘要： A rapid volatility analyzer is described, as well as a method for rapidly determining weight changes in substances containing a volatile material. In particular, there is described an apparatus which rapidly determines the percentage of volatiles in a substance which contains unknown quantities of polar volatiles such as water or moisture, solvents, plasticizers and the like. The apparatus provides rapid determinations without operator assistance other than the placing of a sample of the substance being tested on the electronic balance. The particular improvement in the present invention relates to the ability of the apparatus to project final dry weight without completely drying the test sample utilizing a short heat induction period. This improvement greatly reduces the heating time required and avoids overdrying of the test sample.
摘要翻译： 描述了快速挥发性分析仪，以及用于快速确定含有挥发性物质的物质的重量变化的方法。 特别地，描述了一种快速确定含有未知量的极性挥发物如水或水分的物质中的挥发物的百分比，溶剂，增塑剂等的装置。 除了将待测试物质的样品放置在电子天平上之外，该装置不需要操作者的帮助即可快速确定。 本发明的具体改进涉及该设备投射最终干重的能力，而不用在短的热诱导期内完全干燥测试样品。 这种改进大大减少了所需的加热时间并避免了测试样品的过度干燥。
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4.发明授权
公开(公告)号：US4566312A
公开(公告)日：1986-01-28
申请号：US606352
申请日：1984-05-02
摘要： Apparatuses and processes are described for the automatic determinations of fat contents of foods, such as dairy products, e.g., milk, wherein automatic density and solids content determining apparatuses are employed, together with a computer, to determine the fat contents of food samples being tested. The density determining apparatus is preferably one which is electromagnetically excited to vibrate at its natural resonant frequency, so that from the change in such frequency, compared to a control, the mass of the sample may be determined. The means for measuring the solids content is preferably an automatic volatility computer in which electromagnetic radiation (microwave energy) is employed to drive off the volatile material (usually mostly water) in the sample, which is automatically weighed before and after such volatilization. Preferably, a microcomputer in the automatic volatility computer is employed to compute fat content from electronic feeds to it from the density and the solids content determining apparatuses.
摘要翻译： 描述了用于自动确定食品的脂肪含量的装置和方法，所述食品例如是乳制品，例如牛奶，其中使用自动密度和固体含量确定装置以及计算机来确定正在测试的食品样品的脂肪含量 。 密度测定装置优选是电磁激发以便以其固有共振频率振动的装置，从而与这种频率的变化相比，可以确定样品的质量。 用于测量固体含量的装置优选是自动挥发性计算机，其中使用电磁辐射（微波能量）来驱除样品中的挥发性物质（通常主要是水），其在这种挥发之前和之后被自动称重。 优选地，使用自动挥发性计算机中的微型计算机从密度和固体含量确定装置计算来自电子馈送的脂肪含量。
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公开(公告)号：US4651285A
公开(公告)日：1987-03-17
申请号：US811538
申请日：1985-12-19
摘要： Apparatuses and processes are described for the automatic determinations of fat contents of foods, such as dairy products, e.g., milk, wherein automatic density and solids content determining apparatuses are employed, together with a computer, to determine the fat contents of food samples being tested. The density determining apparatus is preferably one which is electromagnetically excited to vibrate at its natural resonant frequency, so that from the change in such frequency, compared to a control, the mass of the sample may be determined. The means for measuring the solids content is preferably an automatic volatility computer in which electromagnetic radiation (microwave energy) is employed to drive off the volatile material (usually mostly water) in the sample, which is automatically weighed before and after such volatilization. Preferably, a microcomputer in the automatic volatility computer is employed to compute fat content from electronic feeds to it from the density and the solids content determining apparatuses.By use of the described apparatuses and processes rapid determinations of fat contents of materials may be made, facilitating modifications of production procedures to provide products of desired fat content, thereby preventing the production of off-specification materials and avoiding producing over-specification products which might otherwise be manufactured to avoid non-compliance with requirements for minimum fat contents of products.
摘要翻译： 描述了用于自动确定食品的脂肪含量的装置和方法，所述食品例如是乳制品，例如牛奶，其中使用自动密度和固体含量确定装置以及计算机来确定正在测试的食品样品的脂肪含量 。 密度测定装置优选是电磁激发以便以其固有共振频率振动的装置，从而与这种频率的变化相比，可以确定样品的质量。 用于测量固体含量的装置优选是自动挥发性计算机，其中使用电磁辐射（微波能量）来驱除样品中的挥发性物质（通常主要是水），其在这种挥发之前和之后被自动称重。 优选地，使用自动挥发性计算机中的微型计算机从密度和固体含量确定装置计算来自电子馈送的脂肪含量。 通过使用所描述的装置和方法，可以快速确定材料的脂肪含量，促进生产程序的改进以提供所需脂肪含量的产品，从而防止生产不合规格的材料并避免生产过度规格的产品 否则制造以避免不符合产品最低脂肪含量的要求。
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