Test to make certain the plunger top is screwed on appropriately. The Lil’pet has a pink plunger top that could slowly become loose. Utilize the white card with black tape which your teacher will offer for yourself. Hold the card driving the buret to boost the sharpness in the meniscus. https://different-kinds-of-pipett56665.amoblog.com/the-single-best-strategy-to-use-for-types-of-graduated-pipette-51280554