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2025. T. 130. Vyp. 1.
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2025. T. 130. Vyp. 1.

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DOI

10.55959/MSU0027-1403-BB-2025-130-1-45-52

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Authors:

Pchelkin A.V.

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Keywords:

mineral-salt preservation, fire safety, preserved lichens, floristry, landscape layout, environmental expositions

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Pchelkin A.V. , Mineral-salt stabilization of lichens // Byul. MOIP. Otd. biol. 2025. T. 130. Vyp. 1. S. 45-52

Mineral-salt stabilization of lichens

Lichens preserved with glycerin composition are widely used in floristics, educational process, landscape layout. The disadvantage of glycerin preservation is the high fi re hazard. Mineral-salt compositions based on the most affordable and cheap reagents are proposed. Comparative results of crash tests of thalli impregnated with glycerin and solutions of mineral salts are presented. A comparison was made of preserving compositions based on glycerin and those based on mineral salts for fire hazard. Lichens preserved with mineral-salt compositions showed high efficiency according to the Technical Regulations on Fire safety requirements in terms of flame propagation (RP1). Mineral-salt preservation (stabilization) does not affect the perception of dyes by thallomas; The best results, both for conventional and fluorescent coloring, were noted for lichen thallomas bleached in a solution of hydrogen peroxide, as well as for freshly collected samples. The addition of flame retardants to glycerin impregnation slightly reduces the flame propagation rate to RP3. An express method of mineral-salt preservation for lichens is proposed

References

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Список литературы

  • Zhurov V.D. Development of classifi cation of landscape exposures // Vestnik Moskovskogo gosudarstvennogo universiteta lesa – Lesnoj vestnik. 2012. № 1. S. 142–144 (in Russ.)
  • Zaslavskii M.A. Ekologicheskaya ekspozitsiya v muzee: Posobie dlya muzeinykh rabotnikov po konstruirovaniyu muzeinykh biol. kompozitsii / M.A. Zaslavskii AN SSSR, Zool. in-t. L., 1986. 320 s. (in Russ.)
  • Zachinyaev Ya.V., Miroshnichenko I.I., Zachinyaeva A.V. Study of the biodegradation process during burial of polyurethane in various soils during industrial waste disposal // Tekhnikotekhnologicheskie problemy servisa. № 2 (8). S. 46–49 (in Russ.)
  • Klyukina A.I. Estestvennonauchnyi muzei kak tsentr formirovaniya ekologicheskoi kul’tury – Dis. … kand.. kul’turologicheskikh nauk. SPb., 1999, 254 s. (in Russ.)
  • Pchelkin A.V. The use of stabilized lichens in the educational process // Byul. MOIP. Otd. biol. 2019. T. 124. Vyp. 4. S. 48–54 (in Russ.)
  • Pchelkin A.V. Izuchenie lishainikov roda Cladonia metodom stabilizatsii // Sovremennaya mikologiya v Rossii (2024. Т. 10). Matly mezhdunar. mikologicheskogo forumaМ., 2024. T. 10. S. 194–19. (in Russ.)
  • Stabilizatsiya mkha solevym sposobom: retsept i osobennosti protsessa [Elektronnyi resurs] Rezhim dostupa: https://buldogok.ru/2023/10/12/stabilizaciyamxa-solevym-sposobom-recept-i-osobennosti-processa /?ysclid=lreqswq7x1248551938. (Data obrashcheniya: 12.10.2023) (in Russ.)
  • Federal’nyi zakon ot 14.07.2022 N 276-FZ «O vnesenii izmenenii v Federal’nyi zakon «Tekhnicheskii reglament o trebovaniyakh pozharnoi bezopasnosti». (in Russ.)
  • Balasch P.P. Moisture stabilized plant product. Пат. CA 2136036.
  • Brown C. 2021 What is stabilized moss and how to care for it? /Domesticfutures. https://domesticfutures.com/stabilizirovannyj-4383.
  • Ferrari L.A., Arado M.G., Giannuzzi L, Mastrantonio G., Guatelli M.A. Hydrogen cyanide and carbon monoxide in blood of convicted dead in a polyurethane combustion: a proposition for the data analysis. //Forensic Sci Int. 2001 Sep 15 121(1–2):140-143 (DOI: 10.1016/s03790738(01)00464-9. PMID: 11516899).
  • Jiao L.L, Xiao H.H., Wang Q.S., Sun J.H. Thermal degradation characteristics of rigid polyurethane foam and the volatile products analysis with TG-FTIR-MS // Polym. Degrad. Stab. 2013, 98 (12): 2687–2696.
  • Xiu L., Jian wei H., Sabyasachi G. Recent studies on the decomposition and strategies of smoke and toxicity suppression for polyurethane based materials // RSC Advances. 2016, 6, 74742–74756.