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i find the definition of this is very difficult.
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∙ 12y ago
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Why you should avoid allowing the loop filled with inoculate from touching the lip of either the source bottle or the bottle to be inoculated?
To avoid cross-contamination, and indeed all other forms of contamination.
Why is it unwise to put AR calcium carbonate back in the bottle after an experiment?
The purpose is to avoid any contamination of the reagent in the bottle.
A dry and clean spatula is used to spoon out small amount of solid from a reagent bottle?
This is to prevent contamination of the remaining reagent in the bottle.
Where can you find a list of all the recalled pet food for the March 2007 contamination?
Go to www.menufoods.com and see the recall. Do it now!
Did Chris Brown get hit with a beer bottle?
no I don't recall that ever happening to him.
Does pellegrino water expire?
I do not recall ever seeing an expiration date on the Pelligrino bottle
What is the Capacity of a small bottle of soft drink?
As I recall, the small bottles from the '50's & '60's were 7 oz.
What are the reasons for closing milk bottles?
The milk bottle serves a couple of purposes:- It holds the milk inside- It protects the milk from contamination and depending on the bottle also from air and light.- If makes transport and marketing of processed milk possible.
Is it safe to take an expired phenylpropanolamine HCI chlorphenamine maleate?
yes, assuming that it's been in the bottle and hasn't been subject to contamination with anything else
Why shouldn't you return unused chemical back to the bottle?
Unused chemicals might be contaminated, and if you poured it back into the original container, you can ruin the entire contents.
How much elemental magnesium is in a bottle of magnesium citrate?
290mg per Fl Oz according to the bottle in my medicine cabinet.
Why is it important to a dry and clean spatula in scooping solid chemicals from reagent bottle?
This standard procedure -dry and clean spatula in scooping solid chemicals from reagent bottle- should prevent contamination of - and exposure to dirt and humidity to - the other chemical reagents.
