What is the correct way to open glass ampules?
Glass ampules are a real pain. The proper way to open them is to score them around the narrowest part of their neck. To score these glass ampules it is best to use a metal knife with small teeth. Occasionally, these are provided with the ampule and these knives work best. If these knives are not provided it occasionally works to use a fingernail file, grapefruit knife, or a type of kitchen knife with very small teeth. This knife should be rotated around the narrow part of the neck in a sawing motion. After a white line or “score” is clearly evident on the neck, the ampule is ready to be cracked open. Before cracking the ampule open, it should be placed inside a clean paper towel or a thin clean cotton towel one hand should firmly grasp the lower portion of the ampule, the other hand should grasp the very top. A quick snapping motion should cleanly remove the top of the ampule. A needle can then be inserted and the liquid drawn out.
Glass ampules are a real pain. The proper way to open them is to score them around the narrowest part of their neck. To score these glass ampules it is best to use a metal knife with small teeth. Occasionally, these are provided with the ampule and these knives work best. If these knives are not provided it occasionally works to use a fingernail file, grapefruit knife, or a type of kitchen knife with very small teeth. This knife should be rotated around the narrow part of the neck in a sawing motion. After a white line or “score’ is clearly evident on the neck, the ampule is ready to be cracked open. Before cracking the ampule open, it should be placed inside a clean paper towel or a thin clean cotton towel one hand should firmly grasp the lower portion of the ampule, the other hand should grasp the very top. A quick snapping motion should cleanly remove the top of the ampule. A needle can then be inserted and the liquid drawn out. Do not try to crack open an ampule without scoring it
Glass ampules are a real pain. The proper way to open them is to score them around the narrowest part of their neck. To score these glass ampules it is best to use a metal knife with small teeth. Occasionally, these are provided with the ampule and these knives work best. If these knives are not provided it occasionally works to use a fingernail file, grapefruit knife, or a type of kitchen knife with very small teeth. This knife should be rotated around the narrow part of the neck in a sawing motion. After a white line or “score’ is clearly evident on the neck, the ampule is ready to be cracked open. Before cracking the ampule open, it should be placed inside a clean paper towel or a thin clean cotton towel one hand should firmly grasp the lower portion of the ampule, the other hand should grasp the very top. A quick snapping motion should cleanly remove the top of the ampule. A needle can then be inserted and the liquid drawn out. Do not try to crack open an ampule without scoring it
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