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No as semen can be removed through washing - Blood is usually the only thing that shows up after a wash under blacklight - or the heavy duty cleaner used to remove it, but no; sperm can get washed out and become undetectable.

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16y ago

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Can a black light detect old semen stains on tile floor?

WOW what a great question... Yep a black light makes the enzymes & minerals foreign to the flooring Glow at a different rate.. It wont tell you if its semen, just show the pattern & size.. most foreign liquids will glow even after they are dried.. But if your looking for semen or urine, vaginal fluids on sheets, walls, comforter, flooring etc a standard black light will work , the darker the room the better the definition..


Why do black clothes make you hotter than white clothes in the sunlight?

Black clothes absorb more sunlight and heat compared to white clothes which reflect sunlight. This absorption of heat by black clothes results in them feeling hotter when exposed to sunlight.


What happens when light is shined on black clothes?

Black clothes absorb most of the light that hits them, converting the light energy into heat. This is why black clothes feel warmer when exposed to sunlight compared to lighter-colored clothes, which reflect more light.


Do you get hotter in black clothes then white when it is hot?

Yes, because black clothes absorbs every wavelength of light, while the white clothes reflects every wavelength of light, thus black clothes absorbing the most heat.


Can a black light be used to find semen on clothing?

Yes, a black light can be used to detect semen stains on clothing. Semen under black light typically appears fluorescent or glows a bluish-white color due to the presence of proteins such as phosphoproteins in semen. However, the effectiveness of this method may vary depending on factors such as the fabric of the clothing and how long the semen has been present.

Related Questions

How do you remove bleach stains from clothes?

The unfortunate answer is that you don't. Most stains add a color on top of a piece of clothing that can be washed away. Bleach has removed the dye that made your shirt black in the first place. You may be able to redye part of your clothes, or reclaims them as bleached out grays, but you cannot remove the bleach stain. A black majic marker has always worked for me. It may be uneven before you wash it but is well blended after.


How do you remove bleach stains from black clothes?

The unfortunate answer is that you don't. Most stains add a color on top of a piece of clothing that can be washed away. Bleach has removed the dye that made your shirt black in the first place. You may be able to redye part of your clothes, or reclaims them as bleached out grays, but you cannot remove the bleach stain. A black majic marker has always worked for me. It may be uneven before you wash it but is well blended after.


Are Bleach Stains removable on Black clothes?

Bleach stains cannot be removed from black clothes. The bleach took away the black dye, and it cannot be put back. You may want to try redyeing the spot to match, but the clothing is most likely ruined.


How can I effectively remove black stains on white clothes after washing?

To effectively remove black stains on white clothes after washing, try soaking the stained area in a mixture of water and white vinegar, then scrubbing with a paste of baking soda and water. Rinse thoroughly and repeat if necessary before washing again.


Do you need anything else besides a black light to detect semen stains?

Using a black light can help detect semen stains due to proteins in semen reacting to the ultraviolet light. However, for confirmation, additional testing such as a forensic analysis might be needed to definitively identify the presence of semen.


What will happen when tamarind juice is applied on clothes?

when juice is spilled on clothes the juice will soak through sometimes leaving a stain say likes its black currant others will probably be able to be washed out...


Should you protect your leather jacket from stains?

no it will not gets stains at all because it is awlys black yes you should protect you leather jacket from statins. in fact it is a good idea to protect all of your clothes from statins


Can a black light find stains?

Yes, a black light will show stains, such as on a carpet or shirt.


You accidentally poured bleach on some black clothes - what can you do?

Accidentally pouring black on some black clothes will of course leave you with a variety of bleached spots on the clothing. The best thing that you can do to fix your clothes after this happens is to buy some dye and dye the clothing.


How do you get black magic marker out of clothes?

You can try using rubbing alcohol or hand sanitizer to remove black magic marker stains from clothes. Apply the alcohol to the stained area and blot with a clean cloth until the stain fades. Wash the garment as usual afterwards.


How can you use a spectrometer to detect black holes?

You can't use spectrometers to detect black holes. Telescopes are the only way to detect them.


How do you get bleach out of black clothes?

To remove bleach stains from black clothes, you can try using a dye-remover product specifically designed for this purpose. Follow the product instructions carefully and test it on a small, inconspicuous area first. If the bleach stain is small, you can also try using a black fabric marker to cover it up.