{"id":922,"count":0,"description":"<h2>pH v laborato\u0159i: pro\u010d je d\u016fle\u017eit\u00e9 a jak m\u011b\u0159it pH s Meytec<\/h2><p>P\u0159esn\u00e9 m\u011b\u0159en\u00ed pH je jednou z nejz\u00e1kladn\u011bj\u0161\u00edch anal\u00fdz v ka\u017ed\u00e9 laborato\u0159i. A\u0165 pracujete v chemii, farmacii, potravin\u00e1\u0159stv\u00ed nebo environment\u00e1ln\u00ed anal\u00fdze, spr\u00e1vn\u00e9 m\u011b\u0159en\u00ed a \u0159\u00edzen\u00ed kyselosti ur\u010duje spolehlivost va\u0161ich v\u00fdsledk\u016f.<\/p><p>V laborato\u0159\u00edch se obvykle pracuje s velmi p\u0159esn\u00fdmi m\u011b\u0159en\u00edmi a\u017e na 0,01 jednotky pH, podle pou\u017eit\u00ed a platn\u00fdch norem.<\/p><h2>D\u016fsledky chybn\u00e9ho m\u011b\u0159en\u00ed pH<\/h2><ul><li><strong>Nespolehliv\u00e9 v\u00fdsledky anal\u00fdz:<\/strong> odchyln\u00e9 pH m\u016f\u017ee ovlivnit chemick\u00e9 reakce, a t\u00edm zkreslit v\u00fdsledek experiment\u016f nebo anal\u00fdz.<\/li><li><strong>Vy\u0159azen\u00e9 \u0161ar\u017ee:<\/strong> v potravin\u00e1\u0159sk\u00e9m a farmaceutick\u00e9m pr\u016fmyslu m\u016f\u017ee nespr\u00e1vn\u00e9 pH v\u00e9st k v\u00fdrobk\u016fm, kter\u00e9 nespl\u0148uj\u00ed specifikace.<\/li><li><strong>Bezpe\u010dnostn\u00ed rizika:<\/strong> p\u0159i pr\u00e1ci s kyselinami a z\u00e1sadami je spr\u00e1vn\u00e9 m\u011b\u0159en\u00ed pH d\u016fle\u017eit\u00e9 pro bezpe\u010dn\u00e9 pracovn\u00ed prost\u0159ed\u00ed.<\/li><li><strong>Nevyhovuj\u00edc\u00ed kontrola kvality:<\/strong> laborato\u0159e pracuj\u00edc\u00ed podle norem ISO, GLP nebo GMP mus\u00ed sv\u00e1 m\u011b\u0159en\u00ed pH dolo\u017eit kalibrovan\u00fdm a spr\u00e1vn\u011b udr\u017eovan\u00fdm vybaven\u00edm.<\/li><\/ul><p>Proto je spolehliv\u00fd syst\u00e9m m\u011b\u0159en\u00ed pH nepostradateln\u00fd v ka\u017ed\u00e9m profesion\u00e1ln\u00edm laboratorn\u00edm prost\u0159ed\u00ed.<\/p><h2>Jak m\u011b\u0159it pH v laborato\u0159i?<\/h2><p>Existuje n\u011bkolik metod:<\/p><ul><li><strong>Indik\u00e1torov\u00fd pap\u00edrek nebo testovac\u00ed prou\u017eky:<\/strong> rychl\u00e9, ale s omezenou p\u0159esnost\u00ed a nevhodn\u00e9 pro kvantitativn\u00ed anal\u00fdzy.<\/li><li><strong>pH metr (ru\u010dn\u00ed):<\/strong> p\u0159enosn\u00fd pH metr je kompaktn\u00ed p\u0159\u00edstroj, se kter\u00fdm rychle a p\u0159esn\u011b zkontrolujete hodnotu pH vzorku. Tento typ je ide\u00e1ln\u00ed pro pr\u00e1ci v ter\u00e9nu, rychl\u00e9 kontroly nebo m\u011b\u0159en\u00ed na m\u00edst\u011b. P\u0159\u00edstroj ihned zobraz\u00ed digit\u00e1ln\u00ed hodnotu a snadno se kalibruje.<\/li><li><strong>Syst\u00e9m m\u011b\u0159en\u00ed a regulace pH (<a href=\"\/cs\/sondy-ph-orp-ec\/ph-sonda\/\">pH elektroda<\/a>):<\/strong> pevn\u00fd syst\u00e9m m\u011b\u0159en\u00ed pH je trvale instalov\u00e1n, nap\u0159\u00edklad v pr\u016ftokov\u00e9 cele nebo reaktoru. pH elektroda je nep\u0159etr\u017eit\u011b v roztoku. Syst\u00e9m m\u011b\u0159\u00ed bez p\u0159eru\u0161en\u00ed a zobrazuje aktu\u00e1ln\u00ed hodnotu na displeji nebo pos\u00edl\u00e1 data do PLC \u010di LIMS. Roz\u0161\u00ed\u0159en\u00e9 syst\u00e9my mohou automaticky d\u00e1vkovat nebo spustit alarm.<\/li><\/ul><p>V obou syst\u00e9mech je pH elektroda citlivou a nejkriti\u010dt\u011bj\u0161\u00ed sou\u010d\u00e1st\u00ed. Elektroda laboratorn\u00ed kvality, spr\u00e1vn\u011b kalibrovan\u00e1 a udr\u017eovan\u00e1, ur\u010duje p\u0159esnost a reprodukovatelnost va\u0161ich m\u011b\u0159en\u00ed.<\/p><h2>pH sondy a m\u011b\u0159ic\u00ed p\u0159\u00edstroje Meytec pro laborato\u0159<\/h2><p>Meytec dod\u00e1v\u00e1 kvalitn\u00ed \u0159e\u0161en\u00ed pro oba typy m\u011b\u0159ic\u00edch syst\u00e9m\u016f: univerz\u00e1ln\u011b kompatibiln\u00ed pH elektrody s konektorem BNC a p\u0159enosn\u00e9 pH metry. Dod\u00e1v\u00e1me tak\u00e9 v\u0161echny pot\u0159ebn\u00e9 kalibra\u010dn\u00ed roztoky pH a roztoky pro \u00fadr\u017ebu pro laboratorn\u00ed pou\u017eit\u00ed.<\/p><h3>pH sonda pro laborato\u0159<\/h3><p>Mnoho laborato\u0159\u00ed ji\u017e disponuje pH metry nebo automatizovan\u00fdmi m\u011b\u0159ic\u00edmi syst\u00e9my renomovan\u00fdch zna\u010dek. Meytec nab\u00edz\u00ed univerz\u00e1ln\u00ed pH elektrody se standardn\u00edm konektorem BNC, kter\u00e9 pasuj\u00ed na v\u011bt\u0161inu laboratorn\u00edho vybaven\u00ed. Zkontrolujte, zda m\u00e1 v\u00e1\u0161 p\u0159\u00edstroj vstup BNC. M\u016f\u017eete tak d\u00e1l m\u011b\u0159it sv\u00fdm st\u00e1vaj\u00edc\u00edm syst\u00e9mem, bez drah\u00e9 v\u00fdm\u011bny cel\u00e9 m\u011b\u0159ic\u00ed sestavy. Viz pH elektroda.<\/p><h3>pH metr pro laborato\u0159<\/h3><p>Krom\u011b samostatn\u00fdch elektrod nab\u00edz\u00ed Meytec tak\u00e9 kompletn\u00ed p\u0159enosn\u00e9 pH metry pro laboratorn\u00ed pou\u017eit\u00ed. Snadno se kalibruj\u00ed ve 3 bodech pro vy\u0161\u0161\u00ed p\u0159esnost a jsou vhodn\u00e9 pro m\u011b\u0159en\u00ed ve vodn\u00fdch roztoc\u00edch a vzorc\u00edch. Viz <a href=\"\/cs\/merici-pristroje\/ph-metr\/\">pH metr<\/a>.<\/p><h2>Kalibra\u010dn\u00ed roztoky pH pro laborato\u0159<\/h2><p>pH elektroda je p\u0159esn\u00e1 sou\u010d\u00e1st, kter\u00e1 vy\u017eaduje pravidelnou kalibraci a spr\u00e1vnou \u00fadr\u017ebu \u2014 bez ohledu na to, zda pou\u017e\u00edv\u00e1te p\u0159enosn\u00fd p\u0159\u00edstroj, nebo pevn\u00fd m\u011b\u0159ic\u00ed syst\u00e9m. Se spr\u00e1vn\u00fdmi pufry pH od Meytec prodlou\u017e\u00edte \u017eivotnost a zajist\u00edte spolehliv\u00e1 a reprodukovateln\u00e1 m\u011b\u0159en\u00ed.<\/p><h3>Kalibrace pomoc\u00ed kalibra\u010dn\u00edch roztok\u016f<\/h3><p>pH elektrodu je nutn\u00e9 pravideln\u011b kalibrovat, aby z\u016fstala p\u0159esn\u00e1. Pou\u017e\u00edvejte k tomu v\u00fdhradn\u011b kalibra\u010dn\u00ed roztoky se zn\u00e1mou hodnotou pH, nap\u0159\u00edklad <a href=\"\/cs\/kalibracni-roztoky\/kalibracni-roztok-ph\/ph-4\/\">kalibra\u010dn\u00ed roztok pH 4<\/a>, <a href=\"\/cs\/kalibracni-roztoky\/kalibracni-roztok-ph\/ph-7\/\">kalibra\u010dn\u00ed roztok pH 7<\/a> a <a href=\"\/cs\/kalibracni-roztoky\/kalibracni-roztok-ph\/ph-10\/\">kalibra\u010dn\u00ed roztok pH 10<\/a>. Meytec dod\u00e1v\u00e1 tyto roztoky v 20 ml, 60 ml a 250 ml, podle va\u0161eho pou\u017eit\u00ed a spot\u0159eby.<\/p><h3>\u010ci\u0161t\u011bn\u00ed pH sondy v laborato\u0159i<\/h3><p>V laboratorn\u00edm prost\u0159ed\u00ed se sklen\u011bn\u00e1 membr\u00e1na elektrody m\u016f\u017ee zne\u010distit b\u00edlkovinami, tuky, oleji nebo jin\u00fdmi zbytky vzork\u016f. To sni\u017euje odezvu a p\u0159esnost. Nikdy nepou\u017e\u00edvejte agresivn\u00ed \u010distic\u00ed ani abrazivn\u00ed prost\u0159edky, ale \u010dist\u011bte elektrodu speci\u00e1ln\u00edm <a href=\"\/cs\/kalibracni-roztoky\/cistici-roztok\/\">\u010distic\u00edm roztokem<\/a> pro pH elektrody od Meytec.<\/p><p>P\u0159i odoln\u00e9m zne\u010di\u0161t\u011bn\u00ed lze pou\u017e\u00edt m\u011bkk\u00fd kart\u00e1\u010dek, ale pouze v kombinaci s \u010distic\u00edm roztokem.<\/p><h3>Uchov\u00e1v\u00e1n\u00ed pH sondy v laborato\u0159i<\/h3><p>pH elektroda se nikdy nesm\u00ed uchov\u00e1vat nasucho, proto\u017ee sklen\u011bn\u00e1 membr\u00e1na pak vyschne a nevratn\u011b se po\u0161kod\u00ed. Elektrodu v\u017edy uchov\u00e1vejte v <a href=\"\/cs\/ochranny-kryt-sondy.html\">ochrann\u00e9m krytu<\/a> napln\u011bn\u00e9m <a href=\"\/cs\/kalibracni-roztoky\/uchovavaci-roztok-kcl\/\">uchov\u00e1vac\u00edm roztokem KCl 3 mol\/l<\/a> pro pH elektrody. Meytec tento uchov\u00e1vac\u00ed roztok dod\u00e1v\u00e1.<\/p><p>Elektrodu nikdy neuchov\u00e1vejte ve vodovodn\u00ed ani demineralizovan\u00e9 vod\u011b, proto\u017ee to po\u0161kozuje referenci. U pevn\u00fdch m\u011b\u0159ic\u00edch syst\u00e9m\u016f v nep\u0159etr\u017eit\u00e9m provozu je vhodn\u00e9 elektrodu b\u011bhem kr\u00e1tk\u00fdch interval\u016f do\u010dasn\u011b vlo\u017eit do uchov\u00e1vac\u00edho roztoku.<\/p><p>Se spr\u00e1vnou \u00fadr\u017ebou a vhodn\u00fdmi roztoky Meytec vydr\u017e\u00ed va\u0161e pH elektroda d\u00e9le a v\u00e1\u0161 m\u011b\u0159ic\u00ed syst\u00e9m \u2014 p\u0159enosn\u00fd i pevn\u00fd \u2014 z\u016fstane spolehliv\u00fd.<\/p><h2>V\u00fdm\u011bna pH sondy v laborato\u0159i<\/h2><h3>pH sonda Mettler Toledo<\/h3><p>Syst\u00e9my Mettler Toledo SevenCompact, FiveEasy a InLab s konektorem BNC. Meytec pro n\u011b dod\u00e1v\u00e1 vhodn\u00e9 n\u00e1hradn\u00ed pH elektrody.<\/p><h3>pH sonda Thermo Scientific<\/h3><p>P\u0159\u00edstroje Thermo Scientific Orion Star a pH metry Eutech s p\u0159\u00edpojkou BNC. Meytec pro n\u011b nab\u00edz\u00ed vhodn\u00e9 pH elektrody.<\/p><h3>pH sonda Hach<\/h3><p>P\u0159\u00edstroje Hach HQ a senzory pro laboratorn\u00ed a ter\u00e9nn\u00ed pou\u017eit\u00ed. Meytec dod\u00e1v\u00e1 univerz\u00e1ln\u00ed pH elektrody, kter\u00e9 se k nim p\u0159ipoj\u00ed.<\/p><h3>pH sonda WTW<\/h3><p>P\u0159\u00edstroje WTW inoLab a syst\u00e9my MultiLine. Zkontrolujte, zda v\u00e1\u0161 p\u0159\u00edstroj podporuje BNC. Meytec nab\u00edz\u00ed n\u00e1hradn\u00ed pH elektrody pro m\u011b\u0159ic\u00ed syst\u00e9my se standardn\u00edm BNC.<\/p><h3>pH sonda Metrohm<\/h3><p>Syst\u00e9my m\u011b\u0159en\u00ed pH Metrohm pro laboratorn\u00ed a procesn\u00ed anal\u00fdzu. Meytec pro n\u011b dod\u00e1v\u00e1 vhodn\u00e9 pH elektrody, pokud m\u00e1 syst\u00e9m vstup BNC.<\/p><h2>Z\u00e1v\u011br<\/h2><p>P\u0159esn\u00e9 m\u011b\u0159en\u00ed pH je z\u00e1kladem spolehliv\u00fdch laboratorn\u00edch v\u00fdsledk\u016f. A\u0165 zvol\u00edte p\u0159enosn\u00fd pH metr pro rychl\u00e9 kontroly, nebo pevn\u00fd m\u011b\u0159ic\u00ed syst\u00e9m pro nep\u0159etr\u017eit\u00e9 sledov\u00e1n\u00ed, rozhoduj\u00edc\u00ed je kvalita pH elektrody a jej\u00ed \u00fadr\u017eba. S pH elektrodami, pH metry a kalibra\u010dn\u00edmi roztoky pH od Meytec udr\u017e\u00edte sv\u00e1 m\u011b\u0159en\u00ed p\u0159esn\u00e1 a reprodukovateln\u00e1.<\/p><p>Objednejte si pH elektrodu nebo pH metr, kter\u00fd va\u0161e laborato\u0159 pot\u0159ebuje. Je\u0161t\u011b ot\u00e1zky? <a href=\"\/cs\/zakaznicky-servis\/\">Kontaktujte n\u00e1s<\/a>. Rychl\u00e9 doru\u010den\u00ed po cel\u00e9 \u010cR.<\/p><\/article>","link":"https:\/\/meytec.eu\/cs\/pouziti\/laborator\/","name":"Sondy, m\u011b\u0159ic\u00ed p\u0159\u00edstroje a kalibra\u010dn\u00ed roztoky pro laborato\u0159","slug":"laborator","taxonomy":"product_cat","parent":902,"meta":[],"menu_order":0,"permalink_manager":null,"_links":{"self":[{"href":"https:\/\/meytec.eu\/cs\/wp-json\/wp\/v2\/product_cat\/922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meytec.eu\/cs\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/meytec.eu\/cs\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/meytec.eu\/cs\/wp-json\/wp\/v2\/product_cat\/902"}],"wp:post_type":[{"href":"https:\/\/meytec.eu\/cs\/wp-json\/wp\/v2\/product?product_cat=922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}