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Usuallu 0.1% mercuric chloride is used for surface sterilization. Mercuric chloride reacs with ligth and will loose its activity if it is exposed to light, especially for a longer duration.. So usually fresh mercuric chloride is used (can be stored for a max of 1 or 2 weeks) and dont forget to store in amber coloured bottles, or cover the bottle
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What types of Mohs surgery are there?
There are two types of Mohs surgery: fresh-tissue technique and fixed-tissue technique. Of the surgeons who perform Mohs surgery, 72% use only the fresh-tissue technique.
What element is found the ocean water and not in the fresh water?
sodium chloride
Does fresh water cointain no dissolved salt?
"Fresh" water contains all types of salts including sodium chloride, and calcium chloride. Only distilled water contains no salts, it is pure H2O
Why fresh meat is always wet?
Fresh meat is wetvas tissue fliud is present.Tissue fliud is mainly water thats why meat looks(and feels) fresh
Salt in tomatoes?
Raw, fresh tomatoes doesn't contain sodium chloride.
Does salt keep food fresh?
Sodium chloride is a preservative for foods killing microorganisms.
What is the same and different between fresh water and salt water?
Salt water contain dissolved sodium chloride; chemical and physical properties are different compared with fresh water.
What is the difference between raw water and fresh water?
1. Raw water is simply water taken from the environment and could be fresh water, brackish water or saltwater.2. Fresh water is typically less than 1% sodium chloride.3. Brackish water is 1-2.5% sodium chloride.4. Saltwater is typically around 3.5% sodium chloride.5. Raw water requires treatment in order to become potable a.k.a. drinking water.
What is an unfixed tissue?
Unfixed tissue refers to biological samples that have not been treated with a fixative to preserve their cellular structure. Unfixed tissue is more prone to degradation and changes over time compared to fixed tissue. It is typically used for special analyses or research purposes that require fresh tissue samples.
What is a fresh culture?
A fresh culture typically refers to a newly established or diverse environment within a group or organization that promotes innovation, collaboration, and creativity. It often involves breaking away from traditional norms or practices to inspire new ideas and perspectives.
Is the bacteria in natto killed if frozen?
No. It is not. It is easy to culture a fresh battch of natto from a frozen sample.
Which is more dense fresh or salt water?
Salt water is more dense than fresh water due to the presence of dissolved salts such as sodium chloride. This increased density allows objects to float higher in salt water compared to fresh water.
