High flux continuous flow analysis method of tobacco gene editing material potassium content
A gene editing and flow analysis technology, applied in the field of tobacco chemistry research, can solve problems such as not being simple enough, affecting the efficiency of detection work, affecting the progress of factory breeding, etc., to achieve the effect of speeding up the process and simplifying the sample pretreatment process.
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Embodiment 1
[0024] Embodiment 1: the mensuration of potassium in the flue-cured tobacco sample
[0025] 1) Sample pretreatment: firstly dry the tobacco leaves (or shredded tobacco), 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 sample preparation. Test the water content of the sample according to the YC / T31-1996 standard. Then proceed as follows:
[0026] A. Accurately weigh 0.25g of potassium-containing sample and place it in a 25mL sample tube, remove the sample tray from the automatic sampler of the continuous flow analyzer, and place the sample tubes that have been weighed into the continuous flow analyzer in turn. on the sample tray until all 100 sample tube positions in the sample tray are filled with sample tubes;
[0027] B. Use a 25mL pipette gun to add 25mL of deionized water to each sample tube, and then insert the inner casing of the filter sieve plate with a pore size of 0.45μm a...
Embodiment 2
[0031] Embodiment 2: the mensuration of potassium in the burley tobacco sample
[0032] Repeat the process in Example 1 to measure potassium in the Burley tobacco sample, and the potassium content is 1.32%.
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