Step 1 use rubber stopper and gently squeeze.
to pursue air eyedropper out
2. immersion in aqueous solution are sucked
3.Gradually release the rubber stopper to yadut solution into the eyedropper. By absorbing the liquid quantity, comes closest to the volume that you want to use
4.Move the Eyedropper to the container. By trying not to touch any containers with the eyedropper while moving it will cause contamination.
5.Gently squeeze the rubber stopper to release the individual solution drips on a regular basis. Don't let the Eyedropper to touch at the end of the container edge and don't give too much higher than the container mouth
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