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An evaluation method for a rapid detection instrument of Raman spectroscopy

A technology of Raman spectroscopy and evaluation method, which is applied in the field of evaluation of Raman spectroscopy rapid detectors, can solve problems such as inability to perform rapid detection, uneven quality, promotion and application impact, and promote standardization, standardization, and stability Good, ensuring scientific and comparable effects

Active Publication Date: 2018-03-23
FUJIAN METROLOGY INST
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  • Description
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Problems solved by technology

Therefore, the quality of rapid Raman spectroscopic detectors on the market is uneven, and some products require a lot of follow-up technology development to complete the detection, and rapid detection cannot be performed, which has a certain impact on its promotion and application

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  • An evaluation method for a rapid detection instrument of Raman spectroscopy
  • An evaluation method for a rapid detection instrument of Raman spectroscopy
  • An evaluation method for a rapid detection instrument of Raman spectroscopy

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Embodiment Construction

[0047] In order to make the present invention more comprehensible, a preferred embodiment is described below in detail with the accompanying drawings.

[0048] Raman spectroscopy rapid detector should have basic requirements such as convenience, mobility and fast detection. Therefore, the Raman spectrometer should be defined from the perspective of actual use of the instrument, which mainly means that it can directly measure the sample quickly and give the result within 20 minutes. It can be used continuously for more than 4 hours without external power supply. The Raman spectrometer that is easy to carry and does not need to be recalibrated. Corresponding to this, its related technical indicators are also specified and required from the perspective of rapid detection.

[0049] Such as figure 1 As shown, the evaluation method of a rapid Raman spectroscopy detector of the present invention includes the following steps:

[0050] Step 1. Determine that the instrument to be evaluated i...

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Abstract

The present invention provides a kind of evaluation method of Raman spectrum rapid detection instrument, comprises the following steps: 1, determine that the instrument to be evaluated is Raman spectrum rapid detection instrument, and determine the evaluation parameter of this Raman spectrum rapid detection instrument, this evaluation parameter Including the accuracy of Raman shift, the repeatability of Raman shift, the repeatability of Raman spectral intensity, sensitivity and detection time, the sensitivity includes signal-to-noise ratio and detection limit; 2, the accuracy of the Raman shift 3. Evaluate the repeatability of the Raman shift; meanwhile, evaluate the repeatability of the Raman spectrum intensity; 4. Evaluate the signal-to-noise ratio; Evaluate the limit; at the same time, evaluate the detection time; 6. Obtain the evaluation result. The invention evaluates the rapid Raman spectrum detector in a manner of combining physical methods and chemical methods, and can comprehensively evaluate the performance index of the rapid Raman spectrum detector.

Description

Technical field [0001] The invention relates to the field of instrument evaluation standards, in particular to an evaluation method of a Raman spectrum rapid detector. Background technique [0002] Raman spectroscopy technology is one of the most important spectroscopy techniques for analyzing various molecular structures and identifying substance types. The Raman spectroscopy rapid detector with Raman spectroscopy technology as the core is an instrument that uses the principle of Raman spectroscopy for rapid on-site detection. The instrument is composed of a kit (the instrument that needs to use an enhanced matrix for sample measurement includes the kit), excitation light source, scattered light collection system, spectroscopic system, detection system, control and data processing system, and standard map database. Convenient on-site detection requirements, miniaturization, low cost, combined with enhanced modules to achieve high-sensitivity detection and other characteristics, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/65
Inventor 罗峰黄伟
Owner FUJIAN METROLOGY INST
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