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The permanent marker. The birthplace of all young mens futures. The first sniff is almost to much. This can lead to further addictions such as sharpies or alchhol based pens. When sniffing the markers there are different types of sniffs.

1. The short sniff. 2. The long sniff. 3. The pass around.

After a session of sniffing pens you can feel nosious and like you can fly.

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 [[File:Sharpie-marker-types.jpg|thumb|right|[[Sharpie (marker)|Sharpie]] brand permanent markers.]]
+The permanent marker. The birthplace of all young mens futures. The first sniff is almost to much. This can lead to further addictions such as sharpies or alchhol based pens. When sniffing the markers there are different types of sniffs.
-A '''permanent marker''' or '''indelible marker''' is a type of [[marker pen]] that is [[used]] to create permanent writing on an object. In general, the ink comprises a main carrier solvent, a glyceride, a pyrrolidone, a resin and a colorant,<ref>Ink composition resistant to solvent evaporation -- US Patent 7084191 Description. <http://www.patentstorm.us/patents/7084191/description.html> Date of Access: 2-4-2012. </ref> making it waterproof. It is capable of writing on a variety of surfaces from [[paper]] to [[metal]] to [[Rock (geology)|stone]]. They come in a variety of tip sizes (ultra fine to wide), shapes (chisel point, bullet tip, and wide bristle), and colors (metallic, or [[ultraviolet]] reactive). Like [[spray paint]], these markers contain [[volatile organic compounds]] which evaporate to dry the ink.
+. The short sniff.
-The permanent marker was invented in 1952 by [[Sidney Rosenthal]].
+. The long sniff.
-==Removal==
+. The pass around.
-These markers are generally  not truly permanent, on hard, non-porous surfaces, because instead of staining they form a surface layer that can be removed by [[high pressure cleaning]] or [[paint thinner]]s and [[Solvent#Physical_properties_of_common_solvents|organic solvents]] such as [[acetone]], [[xylene]], or [[toluene]]. [[Isopropyl alcohol]] and ethyl acetate are preferred cleaners when used indoors, as their fumes are much less hazardous than toluene and xylene, the main components of paint thinner, or longer-chain hydrocarbons found in [[white spirit|mineral spirits]]. Other common non-polar solvents include [[benzene]], [[turpentine]] and other [[terpene]]s (which constitute essential oils of many plants with strong scents), most [[ether]]s, [[chloroform]] and [[dichloromethane]], [[hydrocarbon]] fuels, and [[diacetone alcohol]], among many others. Note that most of these solvents are very flammable, and/or their concentrated vapors are harmful to health.
+After a session of sniffing pens you can feel nosious and like you can fly.
-Most brands of "permanent" marker wipe off easily with [[Nail polish#Nail_polish_remover|acetone free nail polish remover]], the kind containing [[ethyl acetate]], a relatively non-toxic organic solvent.
-Some markers are designed to be long lasting, for instance by having two inks, one specialized to resist solvents, and one specialized not to fade.{{Citation needed|date=March 2009}}  These can be available in refillable form.{{Citation needed|date=March 2009}}
-A permanent marker can also be removed by drawing over it with a [[dry erase marker]] on non-porous surfaces such as a [[whiteboard]]<ref>http://www.expomarkers.com/faq</ref> as dry erase markers also contain a non-polar solvent. Most dry-erase board cleaner solutions also contain effective organic solvents like [[2-butoxyethanol]] which will do the job.
-==Use in Microscopy==
-In addition to being used for labelling microscopy slides, permanent markers can actually be used to do a negative stain of a bacterial sample.  This means the background is stained with the marker, but the bacteria are not.  The bacteria can be seen because they are stained (lighter) while the background is unstained (darker).<ref>S. Woeste and P.H. Demchick. 1991.  New version of the negative stain. Applied and Environmental Microbiology. 57:1858–1859.</ref>
-==References==
-{{Reflist}}
-{{Pens}}
-{{DEFAULTSORT:Permanent Marker}}
-[[Category:Art materials]]
-[[Category:Pens]]
-[[Category:Writing implements]]
-[[da:Sprittusch]]
-[[fr:Marqueur permanent]]
-[[nl:Merkstift]]
-[[ja:マーカー (筆記具)]]
-[[no:Sprittusj]]
-[[sv:Spritpenna]]