File:83. Боење на пламен.ogg

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Original file(Ogg multiplexed audio/video file, Theora/Vorbis, length 1 min 22 s, 1,920 × 1,080 pixels, 5.12 Mbps overall, file size: 50.34 MB)

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English: Flame tests

Aqueous solutions containing different cations (as a rule halogen compounds of various metals) are sprayed into a Bunsen flame. The characteristic colors are seen for lithium (carmine red), sodium (yellowish orange), potassium (violet), calcium (reddish orange), strontium (red), copper (green) etc.

Performed by the student Mihail Trajkov. The planning of the experiment also included the retired Prof. PhD Vladimir Petruševski, the Prof. PhD Miha Bukleski and the student Darko Stojčev, Department of Chemistry, FNSM, Ss. Cyril and Methodius University, Skopje, Macedonia.
Македонски: Боење на пламен

Водни раствори што содржат различни катјони (по правило халогенидни соединенија на различни метали) се прскаат во пламенот на гасна греалка. Се забележуваат карактеристични бои за литиум (кармин црвено), натриум (жолтопортокалово), калиум (виолетово), калциум (црвенопортокалово), стронциум (црвено), бакар итн.

Изведено од студентот Михаил Трајков. Во планирањето на опитот, исто така беа вклучени пензионираниот Проф. д-р Владимир Петрушевски, Проф. д-р Миха Буклески, и студентот Дарко Стојчев, Институт за хемија, ПМФ, УКИМ, Скопје, Македонија.
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Author Дени Ингилизовски


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Date/TimeThumbnailDimensionsUserComment
current18:15, 23 February 20231 min 22 s, 1,920 × 1,080 (50.34 MB)Dandarmkd (talk | contribs)Uploaded own work with UploadWizard

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Format Bitrate Download Status Encode time
VP9 1080P 1.13 Mbps Completed 18:21, 23 February 2023 5 min 25 s
Streaming 1080p (VP9) 1.04 Mbps Completed 05:06, 13 January 2024 1.0 s
VP9 720P 527 kbps Completed 18:17, 23 February 2023 1 min 24 s
Streaming 720p (VP9) 438 kbps Completed 10:12, 17 January 2024 1.0 s
VP9 480P 330 kbps Completed 18:19, 23 February 2023 1 min 34 s
Streaming 480p (VP9) 242 kbps Completed 01:21, 17 December 2023 1.0 s
VP9 360P 239 kbps Completed 18:19, 23 February 2023 1 min 40 s
Streaming 360p (VP9) 151 kbps Completed 14:31, 17 December 2023 1.0 s
VP9 240P 186 kbps Completed 18:18, 23 February 2023 47 s
Streaming 240p (VP9) 98 kbps Completed 02:06, 9 December 2023 0.0 s
WebM 360P 546 kbps Completed 18:18, 23 February 2023 44 s
Streaming 144p (MJPEG) 835 kbps Completed 05:38, 29 October 2023 6.0 s
Stereo (Opus) 88 kbps Completed 12:01, 12 November 2023 2.0 s
Stereo (MP3) 128 kbps Completed 23:42, 28 October 2023 3.0 s

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