Method and device for measuring metal elements in soil
A technology of metal elements and measurement methods, applied in measurement devices, instruments, scientific instruments, etc., can solve the problems of not suitable for portable XRF instruments, cannot consider the influence of soil moisture measurement results, poor measurement accuracy, etc., to achieve the operation mode The effect of flexibility and variety, improving measurement accuracy and easy portability
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Embodiment 1
[0041] Such as figure 1 As shown, a portable measuring device for metal elements in soil is used to measure the concentration of metal elements in the soil 2 to be tested.
[0042] The measuring device includes a portable soil metal analyzer, and the analyzer includes an X-ray light source 1 , a detector 3 , and a processing unit 4 .
[0043] The measuring device also includes a soil moisture sensor 5 and a soil moisture correction module, and the analyzer and the soil moisture sensor 5 are independent devices that are not connected to each other. The soil moisture sensor 5 displays the measured soil moisture, and the soil moisture correction module is set in the processing unit 4 .
[0044] The above-mentioned X-ray light source 1 can be a light source such as an isotope source or an X-ray light tube, and the present embodiment uses an X-ray light tube. The detector 3 can be a silicon drift detector (SDD), a Si-PIN detector, a Si(Li) detector or other detectors, and this em...
Embodiment 2
[0061] A portable measuring device for metal elements in soil is the same as in Example 1.
[0062] This embodiment also provides a method for measuring metal elements in soil with a humidity correction function. The difference from Embodiment 1 is that step c is:
[0063] c1. The operator retrieves the measuring device;
[0064] c2. The operator returns to the office, and inputs the soil moisture H measured in step b to the processing unit in the soil metal analyzer;
[0065] c3. The soil moisture correction module in the processing unit processes the concentration C' and soil moisture H according to C=C' / (1-H), so as to obtain the corrected concentration C of the metal element to be measured.
Embodiment 3
[0067] Such as figure 2 As shown, a portable soil metal element measurement device is used to measure the concentration of metal elements in soil 2.
[0068] The measuring device includes a portable soil metal analyzer, and the analyzer includes an X-ray light source 1 , a detector 3 and a processing unit 6 .
[0069] The measuring device also includes a soil moisture sensor 7 and a soil moisture correction module, the output end of the soil moisture sensor 7 is connected to the processing unit 6 , and the soil moisture correction module is set in the processing unit 6 .
[0070] The soil moisture sensor 7 is integrated on the soil metal analyzer through an interlocking structure, and the interlocking structure controls the insertion and extraction of the soil moisture sensor 7 into and out of the soil 2: when the soil moisture sensor 7 needs to be used to measure soil moisture, start the interlocking structure, just insert the soil moisture sensor 7 into the soil 2 to be te...
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