Device for pretreatment of multiple samples and application method of device
A sample pretreatment and sample technology, applied in the field of tobacco chemistry research, can solve problems such as affecting the progress of the detection work, affecting the efficiency of the detection work, and not being simple enough, saving time and manual operation intensity, simplifying the sample pretreatment process, and reducing human effort. The effect of the introduction of errors
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[0049] Embodiment: use the device of the present invention to carry out the determination steps of the total sugar in the flue-cured tobacco sample as follows Figure 5 shown
[0050] Sample preparation: first dry the tobacco leaves or shredded tobacco, and use a high-speed cyclone mill to break the cell walls of tobacco and tobacco products, then pass through a 60-mesh sieve, seal and store as a preparation sample. Test the water content of the sample according to the YC / T31-1996 standard. Use device of the present invention to carry out according to the following steps:
[0051] A. Install the sample extraction rack on the bottom plate with stopper, snap the positioning pin into the positioning groove, and fix the lower flange with the buckle of the bottom plate; place the 60 sample extraction tubes in the sample extraction rack in turn, and connect the lower port of the sample extraction tube to the The sealing plugs on the bottom plate with plugs are connected one by one...
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