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Why do you need to use a clean and dry bottle to keep the prepared standard solution?
Wiki User
∙ 12y ago
Clean and dry means that there are no foreign matters which have an effect on the composition of the standard solution. Foreign matters like minerals, bacteria or just calcium or dirt directly influence the composition.
Wiki User
∙ 12y ago
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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.
Why is it important not to pipette a reagent solution directly from bottle of a reagent stock solution?
Contamination. Your stock solution has a known molarity and should not be contaminated with anything. Even a "clean" pipette tip. Its just good lab etiquette.
How do you remove fine solid powder from the reagent bottle?
To remove the fine solid powder from the reagent bottle used clean, dry spatula and transferred to a clean, dry watch glass or poured from a bottle by slightly tipping and then rotating the bottle.
How do you create sanitizing solution with Clorox?
Making a sanitizing solution with bleach is a simple and inexpensive way to keep your home clean and healthy. All you need to do is mix one part bleach to ten parts water in a spray bottle, and you're ready to sanitize.
How do you properly clean a water bottle?
To get it thoroughly clean, you need to empty what was in it first. Then you need to take warm water and fill the bottle. Let it soak for a few minutes to an hour depending on how clean you want it. After it just pore the water out and voilà!
How is a brass solution prepared?
Diluted vinegar solution can also be used to clean brass. It can be prepared bymixing one part of vinegar with ten parts of water.
What do with your contacts you if you have no contact solution?
Put them in clean water, but be sure to soak them in solution before putting them in your eyes again. This is important because the solution kills germs but water does not. It is very important to have contact solution always. If you run out and too broke to buy another bottle, then go to your optometrist. He/she will be glad to give you a trial bottle.
If I can clean 35 of my bathroom with 13 of a bottle of cleaning solution then what fraction of the bottle of cleaning solution can I use to clean the entire bathroom?
Assuming the numbers are meant to be fractions ... 3/5 of bathroom uses 1/3 of bottle, so 1/5 of bathroom uses 1/3 x 1/3 = 1/9 of bottle. Then 5/5 or entire bathroom uses 1/9 x 5 = 5/9
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.
Why is it important not to pipette a reagent solution directly from bottle of a reagent stock solution?
Contamination. Your stock solution has a known molarity and should not be contaminated with anything. Even a "clean" pipette tip. Its just good lab etiquette.
How do you get water marks off auto glass?
The best way to clean glass is with a vinegar and water solution. A 25% vinegar solution should be more than plenty. Spray it on, if you have a spray bottle. Most dollar stores carry them. Use newspaper to clean.
How do you clean mold and mildew off polyester?
with a mild solution of vinagar and water in a spray bottle and a cloth
Can you shower after getting your ears pierced?
Sure you can! But, be sure to clean your ears & earrings thoroughly with you antibacterial soap or the bottle of cleaning solution your piercer gave you.
How is a pipette prepared?
1. Clean the pipette with a solution of an adequate reactive. 2. Wash with tap water. 3. Wash with demineralized water. 4. Dry the pipette.
Is it okay if a long haired hamster drinks from a dwarf hamster bottle?
it is okay for any hamster to drink out of a hamster bottle as long as you clean the bottle.(you should clean it everyday)
What is a bottle of milk?
A bottle of milk is a bottle filled with milk. A milk bottle can be reused many times by recycling which helps the environment to be clean.
How much does ear piercing costs at claires boutique?
The piercing is free, you just pay the cost of the earrings you want. They range from about 20 to 40 bucks. You also get the bottle of solution to clean it with.
