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Brown dried blood in a wound or on a surface could be caused by the oxidation of hemoglobin in the blood, which occurs when blood is exposed to air for a period of time. This process can result in the blood turning brown in color. Other potential causes could include older blood that has been present for a longer period of time, or the presence of certain substances or conditions that can affect the color of the blood.

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How can copper be aged to achieve a brown patina?

Copper can be aged to achieve a brown patina by exposing it to air and moisture over time. This natural process, called oxidation, causes the copper to develop a brownish color on its surface.


How does hypoventilation affect pH?

Hypoventilation is causes an increase in CO2 (carbon dioxide) in your blood. This is caused by the lack of breathing, or obtaining oxygen, (on the contrary, hyperventilation is when your body is gaining too much oxygen - people tell the hyperventalator to breath in a brown paper bag to allow CO2 to bind to hemoglobin). Thus, when people hypoventilate (i.e. causing an increase in CO2) this causes the pH in your blood to decrease, making it more acidic. (and when hyperventilation occurs, O2 is increased, which causes an increase in pH - making blood more basic).


What happens during the rust vinegar reaction and how does it affect the metal surface?

During the rust vinegar reaction, the acetic acid in vinegar reacts with the iron in the metal to form iron acetate and hydrogen gas. This reaction causes the metal surface to corrode and form rust, which is a reddish-brown compound that weakens the metal and can eventually lead to its deterioration.


Can blood stain metal?

Yes, blood can stain metal surfaces. The iron present in blood can react with the metal, causing discoloration or staining. It is important to clean blood stains promptly to prevent them from setting in.


Why does water turn brown when mixed with iodine?

When iodine is mixed with water, it forms a solution that appears brown due to the interaction between iodine molecules and water molecules. The brown color comes from the absorption of light by the iodine molecules, which causes them to appear brown to our eyes.

Related Questions

What causes brown bleeding when you are supposed to have your period?

The brown blood is old blood your system is just cleaning itself out


What is brown spotting?

brown spotting is just what is sounds like. old blood is brown. spotting describes the result of drops of blood on a surface. thus, old blood drops=brown spotting.


What are the potential causes and solutions for the presence of brown sludge in a water softener tank?

The potential causes of brown sludge in a water softener tank can be due to the accumulation of iron or manganese in the water supply. Solutions include regular cleaning of the tank, using a water softener cleaner, or installing a pre-filter to remove these minerals before they enter the tank.


Why is your period brown through the who cycle?

The blood can be reddish-brown to brown. Brown blood just means it's old, not fresh.


Is it natural if your periods are brown?

Yes, it is fine. Brown blood is old blood and the red blood is new.


Seeing spots of blood in underwear after period is normal?

Brown Discharge is one of common concerns of girls and women. Not all cases of brown vaginal discharge are cause for concern. Brown vaginal discharge is most often associated with old endometrial tissues. You can discover causes of blood spots (brown discharge) in recommended related link below.


What Causes brown discharge after period?

See the related link on what causes brown discharge after period.


What happens if your on birth control and your blood is brown?

Nothing. Brown blood is old blood and oxygen gotten to it. You are OK.


What are the causes of a long menstrual period with light flow and brown blood?

Brown blood generally means its old blood, perhaps from an old period such as the one before this. Its usually nothing to worry about. Periods can be irregular at times, its pretty natural. But if your really worried and the problem persists contact your GP to settle any fears.


Is it bad to have brown period blood?

yes it is i had light brown blood and i was just find .


What color is the nasal cavity?

Usually it is pink, black, brown, or another color.


Is Chris Brown crip or blood?

ckhris brown dont bang hez BLOODS!