A conveying device and working method thereof in a sample injector for analyzing soil heavy metal samples
A conveying device and heavy metal technology, which is applied in the direction of analyzing materials and instruments, can solve the problems of low degree of automation, inability to limit the position of samples, and hurt people, etc., reduce labor intensity and safety hazards, improve analysis efficiency, and have a simple and compact structure Effect
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Embodiment 1
[0052] Manufacture the flexible board 7-1 of the present invention according to the following steps, and count in parts by weight:
[0053] Step 1: Add 2502 parts of ultrapure water with a conductivity of 4.75μS / cm into the reactor, start the stirrer in the reactor at a speed of 87rpm, start the heating pump, and raise the temperature in the reactor to 67°C; add in sequence 32 parts of ethyl 4-(n-(2-(ethoxycarbonyl)ethyl)-n-methylamino)-2-chloropyrimidine-5-carboxylate, 2-(7-nitro-1H-ind Indol-1-yl) 90 parts of methyl acetate, 56 parts of 1-hydroxy-2-methylpropan-2-yl carbamate benzyl ester, stir until completely dissolved, adjust the pH value to 4.7, and adjust the stirrer speed to 132rpm , the temperature was 122°C, and the esterification reaction was carried out for 17 hours;
[0054] Step 2: Take N-[1-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]cyclopropyl]carbamate 1,1-di 30 parts of methyl ethyl ester, 70 parts of 2-(3-aminophenyl)-2-hydroxyethylmethylcarbamate ter...
Embodiment 2
[0059] Manufacture the flexible board 7-1 of the present invention according to the following steps, and count in parts by weight:
[0060] Step 1: Add 3652 parts of ultrapure water with a conductivity of 6.35μS / cm into the reactor, start the stirrer in the reactor at a speed of 109rpm, start the heating pump, and raise the temperature in the reactor to 82°C; add in sequence 49 parts of ethyl 4-(n-(2-(ethoxycarbonyl)ethyl)-n-methylamino)-2-chloropyrimidine-5-carboxylate, 2-(7-nitro-1H-ind 115 parts of indol-1-yl)methyl acetate, 76 parts of benzyl 1-hydroxy-2-methylpropan-2-ylcarbamate, stir until completely dissolved, adjust the pH value to 7.4, and adjust the speed of the agitator to 187rpm , the temperature was 147°C, and the esterification reaction was carried out for 24 hours;
[0061] Step 2: Take N-[1-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]cyclopropyl]carbamate 1,1-di 53 parts of methyl ethyl ester, 117 parts of tert-butyl 2-(3-aminophenyl)-2-hydroxyethylmethy...
Embodiment 3
[0066] Manufacture the flexible board 7-1 of the present invention according to the following steps, and count in parts by weight:
[0067] Step 1: Add 4802 parts of ultrapure water with a conductivity of 7.85μS / cm into the reactor, start the stirrer in the reactor at a speed of 132rpm, start the heating pump, and increase the temperature in the reactor to 97°C; add in sequence 67 parts of ethyl 4-(n-(2-(ethoxycarbonyl)ethyl)-n-methylamino)-2-chloropyrimidine-5-carboxylate, 2-(7-nitro-1H-ind 147 parts of indol-1-yl) methyl acetate, 100 parts of benzyl 1-hydroxy-2-methylpropan-2-yl carbamate, stir until completely dissolved, adjust the pH value to 9.7, and adjust the stirrer speed to 242rpm , the temperature was 167°C, and the esterification reaction was carried out for 32 hours;
[0068] Step 2: Take N-[1-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]cyclopropyl]carbamate 1,1-di 77 parts of methyl ethyl ester, 182 parts of 2-(3-aminophenyl)-2-hydroxyethyl methylcarbamate t...
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