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Učinkovitost biocidnih proizvodov za zaščito lesa, na osnovi borovih spojin in montanskega voska : diplomsko delo - visokošolski strokovni študij = Efficacy of biocidal products for wood protection based on boron compounds and montan wax : graduation thesis - higher professional studiesLavka, BarbaraBorove spojine so že v majhnih koncentracijah zelo učinkoviti biocidi, ki podobno kot drugi biocidi, lahko negativno vplivajo na ljudi in okolje. V les se slabo vežejo in se zato iz njega izpirajo. V ... sklopu raziskave smo uporabili vodno raztopino borove kisline (H3BO3), ki smo jo kombinirali z emulzijo montanskega voska LGE. Vzorci so bili impregnirani s pripravki različnih koncentacij: H3BO3 (0,1 %; 0,2 %; 0,4 %; 0,8 %), LGE (0 %, 50 %, 100 %). Emulzijo montanskega voska LGE smo dodali borovi kislini H3BO3, ker smo s tem želeli izboljšati učinkovitost sistema proti lesnim glivam. Iz preteklih raziskav pa je že znano, da ta sistem zmanjša izpiranje iz lesa. Vzorci so bili izdelani iz bukovega in smrekovega lesa. Bukove vzorce smo izpostavili delovanju gliv bele trohnobe (Hypoxylon fragiforme, Trametes versicolor, Pleurotus ostreatus), smrekove pa glivam rjave trohnobe (Antrodia vaillantii, Serpula lacrymans, Gloeophyllum trabeum), kot to prepisuje nekoliko modificiran standard SIST EN 113. Po 13 tednih smo vzorce izolirali in jim gravimetrično določili izgubo mas. Iz rezultatov je razvidno, da raztopine nekaterih koncentracij voska LGE in borove kisline H3BO3, dobro zaščitijo les pred glivami razkrojevalkami. Emulzija voska in borova kislina na glive razkrojevalke delujeta sinergičnoType of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [B. Lavka], 2016Language - slovenianCOBISS.SI-ID - 2502537
Author
Lavka, Barbara
Other authors
Humar, Miha |
Lesar, Boštjan |
Petrič, Marko, 1962-
Topics
les |
zaščita lesa |
borove spojine |
voski |
glive razkrojevalke |
wood |
wood protection |
boron compounds |
waxes |
wood decay fungi
Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Lavka, Barbara | |
Humar, Miha | 19106 |
Lesar, Boštjan | 28503 |
Petrič, Marko, 1962- | 00395 |
Source: Personal bibliographies
and: SICRIS
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