{"id":4877,"date":"2021-12-06T01:45:02","date_gmt":"2021-12-06T01:45:02","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4877"},"modified":"2026-04-28T10:41:52","modified_gmt":"2026-04-28T10:41:52","slug":"common-mistakes-of-the-newcomers","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/common-mistakes-of-the-newcomers\/","title":{"rendered":"A szerves szint\u00e9zis k\u00eds\u00e9rletben h\u00e1ny tr\u00fckk\u00f6t alkalmaztatok az \u00fajoncok gyakori hib\u00e1ira?"},"content":{"rendered":"<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> A practical coating formulation choice starts with the application environment, then checks film formation, adhesion, appearance, and process stability under real production conditions.<\/p>\n<!-- lc-qa-end -->\n\n\n<ol class=\"wp-block-list\"><li>Amikor felm\u00e1szik a t\u00e1bl\u00e1ra, felejtse el kivenni a TLC t\u00e1bl\u00e1t, am\u00edg az old\u00f3szer fel nem m\u00e1szik a cs\u00facsra.<\/li><li>Elfelejtettem lem\u00e9rni az \u00fcveget.<\/li><li>Elfelejtette id\u0151ben bez\u00e1rni az elv\u00e1laszt\u00f3 t\u00f6lcs\u00e9r kakas\u00e1t adagol\u00e1skor, \u00e9s visszan\u00e9zve, nincs semmi.<\/li><li>A term\u00e9k az oszlopon val\u00f3 \u00e1thalad\u00e1skor elveszett.<\/li><li>Az oszlop kisz\u00e1radt.<\/li><li>Forgat\u00e1s k\u00f6zben a term\u00e9ket tartalmaz\u00f3 lombikot mer\u00edtse a v\u00edzf\u00fcrd\u0151be.<\/li><li>Elfelejti bekapcsolni a v\u00e1kuumot, amikor forog...<\/li><li>Forgat\u00e1s k\u00f6zben folyamatosan d\u00f6c\u00f6g.<\/li><li>\u00d6ntse a reakci\u00f3oldatot az elv\u00e1laszt\u00f3 t\u00f6lcs\u00e9rbe a dug\u00f3t lecsavarva.<\/li><li>A kever\u0151p\u00e1lca \u00e9s a reakci\u00f3folyad\u00e9k az elv\u00e1laszt\u00f3 t\u00f6lcs\u00e9rbe ker\u00fcl, \u00e9s a kever\u0151p\u00e1lca megt\u00f6ri az elv\u00e1laszt\u00f3 t\u00f6lcs\u00e9rt.<\/li><li>Amikor a <a href=\"https:\/\/longchangchemical.com\/hu\/analytical-instruments-2\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>NMR<\/strong><\/a>, csak deuter\u00e1lt old\u00f3szerek vannak, teh\u00e1t felejtsd el hozz\u00e1adni...<\/li><li>Azt hiszem, hogy a mem\u00f3ri\u00e1m nagyon j\u00f3, sok minta nem \u00edrja meg a c\u00edmk\u00e9ket, m\u00e1snap megb\u00e1nja.<\/li><li>Elfelejti bekapcsolni a keringtetett vizet.<\/li><li>Higgye el, hogy az old\u00f3szer teljesen tiszta \u00e9s teljesen v\u00edzmentes.<\/li><li>Amikor az egyenes \u00faton t\u00f6rt\u00e9n\u0151 reakci\u00f3val foglalkoztak, azt tal\u00e1lt\u00e1k, hogy eggyel kevesebb szubsztr\u00e1tot adtak hozz\u00e1.<\/li><li>A takarm\u00e1nyoz\u00e1s sor\u00e1n adjon hozz\u00e1 rossz alapanyagokat.<\/li><li>A nyersanyagokat a takarm\u00e1nyoz\u00e1s el\u0151tt nem er\u0151s\u00edtik meg.<\/li><li>Az adagol\u00e1si folyamat sor\u00e1n a reakci\u00f3s lombik kicsinek bizonyult.<\/li><li>Amikor a reakci\u00f3t le\u00e1ll\u00edtottuk, a lombik t\u00fal kicsinek bizonyult.<\/li><li>Mintav\u00e9telkor t\u00f6rje \u00f6ssze az \u00fcveget.<\/li><li>A takarm\u00e1nyoz\u00e1si ar\u00e1ny kisz\u00e1m\u00edt\u00e1sakor a nyersanyagtartalmat nem veszik figyelembe.<\/li><li>Az etet\u00e9si ar\u00e1ny kisz\u00e1m\u00edt\u00e1sakor t\u00e9ved\u00e9s t\u00f6rt\u00e9nt a tizedesvessz\u0151vel.<\/li><li>Higgye el, hogy egy megb\u00edzhatatlan reakci\u00f3val is t\u00f6rt\u00e9nhetnek csod\u00e1k.<\/li><li>Adagol\u00e1skor dobja el a term\u00e9kr\u00e9teget.<\/li><li>A kever\u0151p\u00e1lca \u00f6sszet\u00f6ri a palackot.<\/li><li>A term\u00e9k kiv\u00e9tele \u00e9rdek\u00e9ben csak az \u00fcveget t\u00f6rt\u00e9k el.<\/li><li>A reakci\u00f3s lombikot cs\u00fasztassa az olajf\u00fcrd\u0151be.<\/li><li>T\u00f6bbkomponens\u0171 p\u00e1rhuzamos vizsg\u00e1lat, amely \u00f6sszezavarja a t\u00e9telsz\u00e1mot.<\/li><li>Az \u00e9jszakai reakci\u00f3 sor\u00e1n a keringet\u0151 v\u00edzcs\u0151 leesett a kondenz\u00e1torr\u00f3l.<\/li><li>T\u00f6rje \u00f6ssze az \u00fcveget mos\u00e1s k\u00f6zben.<\/li><li>A g\u00e1zfelszabadul\u00e1ssal j\u00e1r\u00f3 reakci\u00f3t z\u00e1rt rendszerben v\u00e9gzik.<\/li><li>Kivon\u00e1skor nincs r\u00e9tegz\u0151d\u00e9s \u00e9let \u00e9s hal\u00e1l k\u00f6z\u00f6tt.<\/li><li>A n\u00e1triumt\u00f6mb v\u00e1g\u00e1sakor t\u00fcsszentettem.<\/li><li>Nyissa ki a h\u0171t\u0151szekr\u00e9nyt, \u00e9s felejtse el kikapcsolni; vegye el a <a href=\"https:\/\/longchangchemical.com\/hu\/\" target=\"_blank\" rel=\"noreferrer noopener\">reagens<\/a> a h\u0171t\u0151szekr\u00e9nyb\u0151l, \u00e9s elfelejtette visszavinni.<\/li><li>Valaki elveszi a m\u00e9rlegelt \u00fcvegedet.<\/li><li>A h\u0151m\u00e9rs\u00e9klet-szab\u00e1lyoz\u00e1s meghib\u00e1sodik.<\/li><li>\u00dct\u00e9s.<\/li><li>V\u00e1kuumdesztill\u00e1ci\u00f3s dudorok.<\/li><li>\u00c9terrel, mindig elb\u00f3biskolva.<\/li><li>A deszkam\u00e1sz\u00e1s k\u00f6zben valaki titokban megford\u00edtja a deszk\u00e1dat.<\/li><li>Fedje le az \u00fcvegcs\u00f6vet egy latexcs\u0151vel, hogy elt\u00f6rj\u00f6n az \u00fcveg, \u00e9s sz\u00farja meg a kez\u00e9t, hogy v\u00e9rezzen.<\/li><li>A f\u00f6lddug\u00f3 nem volt megzs\u00edrozva, \u00e9s az \u00f6sszes palack sz\u00e1j\u00e1t nem lehetett kinyitni.<\/li><li>Az anyagot egy f\u0151z\u0151poh\u00e1rba helyezt\u00fck \u00e9s ultrahanggal feloldottuk. Ennek eredm\u00e9nyek\u00e9ppen a f\u0151z\u0151poharat v\u00edzbe \u00f6nt\u00f6tt\u00e9k.<\/li><li>A reakci\u00f3 visszah\u00faz\u00f3dott, \u00e9s m\u00e1s dolgok is t\u00f6rt\u00e9ntek. A h\u0171t\u0151vizet f\u00e9l\u00faton le\u00e1ll\u00edtottuk, de az old\u00f3szer az id\u0151 nagy r\u00e9sz\u00e9ben elszaladt.<\/li><li>A nagy t\u00f6lt\u00e9si t\u00e9nyez\u0151j\u0171 refluxreakci\u00f3ban az \u00e1ramot a k\u00f6zep\u00e9n lekapcsolt\u00e1k, \u00e9s a kever\u00e9st nem kapcsolt\u00e1k ki. Egy id\u0151 ut\u00e1n hirtelen bekapcsolt a telefon, \u00e9s az anyag a fej\u00e9re csap\u00f3dott.<\/li><li>Tegy\u00fcnk egy f\u00e9l poh\u00e1r sz\u00edntelen folyad\u00e9kot a pr\u00f3bapadra. Azt hittem, hogy v\u00edz, \u00e9s k\u00e9sz\u00fcltem ki\u00f6nteni. Az orrommal ellen\u0151riztem. Kider\u00fclt, hogy amm\u00f3nia, \u00e9s az agyam 5 m\u00e1sodpercre elvesztette az eml\u00e9kezet\u00e9t.<\/li><li>A h\u00fcvely eltal\u00e1lta a m\u00e9r\u0151henger, a m\u00e9r\u0151henger pedig az asztalra esett \u00e9s \u00f6sszet\u00f6rt, m\u00e9g mindig a fele energi\u00e1val.<\/li><li>Miut\u00e1n felm\u00e1szott a TLC lapra, kaparja le a term\u00e9kcs\u00edkokat, majd t\u00fcsszentsen.<\/li><li>A reakci\u00f3eszk\u00f6z a lufival a lufi \u00f6reged\u00e9se miatt f\u00e9l\u00faton felszakadt, a reakci\u00f3j\u00e1t\u00e9knak v\u00e9ge.<\/li><li>Valaki v\u00e9letlen\u00fcl kiveszi a palackot a rot\u00e1ci\u00f3s g\u0151z\u00f6l\u0151b\u0151l, mint\u00e1t sz\u00ednlel, beszereli az oszlopot, \u00e1tmegy az oszlopon, \u00f6sszegy\u0171jti, kattintja a lemezt, majd...<\/li><li>A m\u0171szert betett\u00e9k a s\u00fct\u0151be, \u00e9s egy id\u0151 ut\u00e1n valaki m\u00e1s elvette.<\/li><li>Az oszlopon kapott szennyez\u0151d\u00e9sek meglehet\u0151sen tiszt\u00e1k, \u00e9s a term\u00e9k egy\u00e9bk\u00e9nt sem tiszta.<\/li><\/ol>\n\n\n<!-- lc-commercial-start -->\n<h2>How buyers usually evaluate coating and paint topics<\/h2>\n<p>In conventional coating work, technical buyers usually move fastest when they define the film-performance target first and then review rheology, substrate compatibility, additives, and long-term durability as one system instead of isolated tweaks.<\/p>\n<ul>\n<li><strong>Start from the application scenario:<\/strong> furniture, powder coating, industrial paint, and waterborne systems often reward different formulation priorities.<\/li>\n<li><strong>Check surface quality and process stability together:<\/strong> leveling, wetting, foam control, and drying often interact strongly.<\/li>\n<li><strong>Review the film after full cure or drying:<\/strong> adhesion, hardness, weatherability, and color stability usually decide the commercial result.<\/li>\n<li><strong>Use targeted additive screening:<\/strong> wetting, leveling, defoaming, and wear-resistance additives work best when the defect is clearly defined.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Useful when printing-ink and UV-ink compatibility matter in the defoaming screen.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> A stronger process-defoaming option when persistent foam survives harsher conditions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why can a coating with good initial appearance still fail later?<\/strong><br \/>Because many failures show up only after full cure, storage, or service exposure, when adhesion, flexibility, or weatherability becomes the limiting factor.<\/p>\n<p><strong>Should coating additives be chosen one by one outside the full formula?<\/strong><br \/>It is usually safer to screen them inside the real formula because resin choice, pigments, and the rest of the additive package can change the result.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>When climbing the board, forget to take out the TLC board until the solvent climbs to the top.Forgot to weigh the bottle.Forgetting to close the cock of the separatory funnel<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-4877","post","type-post","status-publish","format-standard","hentry","category-laboratory-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>In the organic synthesis experiment, how many tricks have you done for the common mistakes of the newcomers?<\/title>\n<meta name=\"description\" content=\"When climbing the board, forget to take out the TLC board until the solvent climbs to the top.Forgot to weigh the bottle.Forgetting to close the cock of...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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