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TRIBOELECTRIC SERIES

W. Beaty 1995 Deret benda yang menunjukkan bahwa benda akan memperoleh muatan negatif bila digosok dengan sembarang bendadi atasnya, dan akan memperoleh muatan positif bila digosok denganbenda di bawahnya.dinamakan deret tribolistrik. Deret Tribolistrik1. Bulu kelinci, 2. Gelas, 3. Mika, 4. Wol, 5. Bulu kucing, 6. Sutra, 7. Kapas, 8. Kayu, 9. Batu Ambar, 10. Damar, 11.Logam(Cu,Ni,Ag), 12. Belerang, 13. Logam(Pt,Au), 14. Seluloid

Air (*?)Human Hands <---- Most PositiveAsbestosRabbit FurGlassMicaHuman HairNylonWoolFurLeadSilkAluminumPaperCotton ZEROSteelWoodAmberSealing WaxHard RubberNickel, CopperBrass, SilverGold, PlatinumSulfurAcetate, RayonPolyesterStyrene (Styrofoam)OrlonSaranPolyurethanePolyethylenePolypropyleneVinyl (PVC)SiliconTeflon <----- Most Negative

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TriboElectric SeriesThe triboelectric series is a list that ranks various materials according to their tendency to gain or lose electrons. Itusually lists materials in order of decreasing tendency to charge positively (lose electrons), and increasing tendency tocharge negatively (gain electrons). Somewhere in the middle of the list are materials that do not show strong tendencyto behave either way. Note that the tendency of a material to become positive or negative after triboelectric charging hasnothing to do with the level of conductivity (or ability to discharge) of the material.

Due to complexities involved in experiments that involve controlled charging of materials, different researcherssometimes get different results in determining the rank of a material in the triboelectric series. One of the reasons for thisis the multitude of factors and conditions that affect a material's tendency to charge. The triboelectric series shown inTable 1 is a product of the collation of several widely-used triboelectric series published on the web.

Table 1. The Triboelectric Series M ost Positive (+)

A ir

+++

+

Human Hands, Skin A sbestos Rabbit Fur

Glass Human Hair

Mica Nylon Wool Lead

Cat Fur Silk

A luminum Paper Cotton Steel

-

- - -

Wood Lucite

Sealing Wax A mber

Rubber Balloon Hard Rubber

Mylar Nickel

Copper Silver

uv Resist Brass

Synthetic Rubber Gold, Platinum

Sulfur A cetate, Rayon

Polyester Celluloid

Polystyrene Orlon, A crylic

Cellophane Tape Polyvinylidene chloride (Saran)

Polyurethane Polyethylene

Polypropylene Polyvinylchloride (Vinyl)

Kel-F (PCTFE) Silicon Teflon

Silicone Rubber M ost Negative ( - )

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