BRAND pipette usage common sense and tip specifications?

Tag: pipette BUNSEN Bunsen pipette tip BRAND pipette BRAND pipette common sense and tip specifications?Use suitable tips: To ensure better accuracy and precision, it is recommended to pipette The volume is in the range of 35%-100% of the range of the ti.
Installation of tips: For most brands of pipettes, especially multi-channel pipettes, it is not easy to install tips: in order to pursue good sealing, it is necessary to insert the pipette handle into the tip, left and righ.
Tighten by turning or rocking back and fort.
Some people also use the pipette to repeatedly hit the tip to tighten, but this operation will cause the tip to deform and affect the accuracy, and in severe cases, the pipette will be damaged, so such an operation should be avoide.
BRAND's multi-channel pipettes do not have O-rings, and with a tip with a front stop point, a perfect seal can be achieved with just a little pressure, which is really a boon for multi-channel pipette user.
Tip immersion angle and depth: The tip immersion angle should be controlled within 20 degrees of inclination, and it is better to keep it vertical; the recommended tip immersion depth is as follows: Pipette specifications Tip immersion depth 2µL and 10 µL 1 mm 20 µL and 100 µL 2-3 mm 200 µL and 1000 µL 3-6 mm 5000 µL and 10 mL 6-10 mm For ambient samples, tip rinse helps improve accuracy; however, for high or low temperature samples, tip rinse Washing will reduce the accuracy of operation, please pay special attention to the use.
Aspiration speed: The pipetting operation should be smooth and at an appropriate aspiration speed; an excessively fast aspiration speed may easily cause the sample to enter the sleeve, resulting in damage to the piston and sealing ring, as well as cross-contamination of the sampl.
Suggestions:Maintain the correct posture when pipetting; do not hold the pipette tightly at all times, use a pipette with finger hooks to help relieve hand fatigue; change hands frequently if possibl.
Regularly check the sealing condition of the pipett.
Once the seal is aging or leaking, the sealing ring must be replaced in tim.
Correct the pipette 1-2 times a year (depending on the frequency of use.
For most pipettes, before use and after using for a period of time, apply a layer of lubricating oil to the piston to maintain tightness; and for the pipettes of BUNSEN's conventional range, it is the same without lubricating oi.
Has an ideal tightnes.
Pipette tip specifications:10ul (5-10ul white short tip, 5-10ul white long tip);20ul (5-20ul white long tip);100ul (10-100ul yellow);200ul (20-200ul yellow); 5, 1000ul (100-1000ul blue); 6, 5000ul (1000-5000ul white); BRAND pipette common sense and tip specifications? Bunsen has always regarded quality control as the company's priority Life, the pursuit of continuous improvement of enterprise competitivenes.
The company has always adhered to the corporate spirit of abiding by the law, being strict with oneself, being lenient, and daring to take responsibility as the standard, maintaining and expanding the market with excellent quality and excellent service, and meeting the needs of customers to the greatest exten.
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