Measuring instrument and measuring method of greenhouse gases
A greenhouse gas and measuring instrument technology, applied in the fields of environmental protection technology and earth science, can solve the problems of unsuitable greenhouse gas emission reduction, cost, fertility, etc., and achieve the effects of low production cost, easy production, and simple production process of the instrument
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Embodiment 1
[0026] Embodiment 1: Manufacture of greenhouse gas measuring instrument:
[0027] Greenhouse gas collection device made of glass, ethanol absorption bottle (gas washing bottle), concentrated sulfuric acid absorption bottle (gas washing bottle), sodium hydroxide absorption bottle (gas washing bottle), micro-scale connecting pipe, U-shaped scale measurement tube, platinum electric heater, control valve, press figure 1 The schematic structures are connected, wherein the greenhouse gas collection device can be made into a bottomless open collection device so as to be placed on the soil surface of the farmland to measure the greenhouse gas produced by the soil and plants. It can also be made into a sealed greenhouse gas collection device with a bottom, which is used in the laboratory to study the greenhouse gases produced by soil microorganisms or plants or sewage.
Embodiment 2
[0028] Example 2: Greenhouse gas measurement
[0029] Connect the greenhouse gas measuring instrument produced above according to the diagram, check the air tightness, add an appropriate amount of colored inert liquid into the U-shaped graduated measuring tube, add absolute ethanol into the ethanol absorption bottle, and add concentrated sulfuric acid into the sulfuric acid absorption bottle , add 0.1-15M sodium hydroxide solution into the sodium hydroxide absorption bottle, place the bottom of the greenhouse gas collection device of the analyzer on the farmland soil, so that the bottom of the collection device is sealed with the soil, so that the greenhouse gas produced by the soil and plants When entering the collection device, the colored liquid column of the U-shaped scale metering tube changes, and the difference between the two ends is the total amount of greenhouse gas produced within a certain period of time. Draw 1 ml of gas from the control valve on the upper end of ...
Embodiment 3
[0031]Greenhouse gas measuring instrument, including U-shaped scale metering tube, gas collection device 1 and gas washing bottle, the bottom of the gas collection device is open, the first U-shaped scale metering tube is connected to the gas collection device, and each gas washing bottle is equipped with an air inlet mouth and exhaust port, the gas washing bottle a2 is connected in series with the gas collection device; after the air inlets of the gas washing bottle b3 and the gas washing bottle c4 are connected in parallel with the gas collecting device, the exhaust port is connected in parallel with the third U-shaped scale metering tube; The gas washing bottle d5 and the gas washing bottle e6 are connected in series with the gas collection device in sequence, and the exhaust port of the gas washing bottle e is connected with the fourth U-shaped scale metering tube; wherein the washing gas bottle b3 and the gas washing bottle c4 are respectively equipped with ethanol and Sul...
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