The pesticide residue rate measuring instrument uses the enzyme inhibition rate method to quickly detect pesticide residues in the sample. High sensitivity, the minimum detection limit for pesticides such as methamidophos and dichlorvos is better than the national standard. The specific operation method is as follows:
1. Turn on the power and the instrument starts self-test. After the set temperature is reached, the instrument automatically prompts.
2 , the quick test card test paper transparent film is removed, the test paper is folded in half along the center line, the red tablet is inserted upward into the test paper, the test paper fold line is placed under the pressure paper rib, and the white tablet is placed on the heater.
3. Pipette a small amount of the extract with a dropper, and drop two drops of the extract on the white end of the test strip, and replace the straw with each sample.
4 , press the instrument start button, start heating to TEMP1 , the buzzer will sound and automatically count down TIME1 , after completing the TIME1 countdown, the buzzer will sound three times, prompting to close the front cover. After closing the front cover, it automatically enters the TIME2 countdown. After the TIME2 countdown is completed, the buzzer continuously sends out “哗, 哗, 哗†to open the front cover and stop heating. In the whole process, press the start button to abort the operation. Press the “ DISP †button to switch between time and temperature display during the whole process . 5 , open the top of the speedometer, observe and record the color change of the white tablets on the pesticide quick test card, blue is negative, light blue is weakly positive, white is strong positive.
China Extract Powder For Use As Dietary Supplement Extract Powder, Extract Powder Manufacturer
Shaanxi Kang New Pharmaceutical co., Ltd. , https://www.anabolicsteriod.com