{"product_id":"soderzhanie-toxichnyh-alementow-w-kommercheskom-nastoe-mate-von-priscilla-dors-andrej-de-souza-und-mari-lusiq-kampos","title":"Soderzhanie toxichnyh älementow w kommercheskom nastoe mate","description":"\u003cp\u003eCel'ü dannoj raboty bylo kolichestwennoe opredelenie soderzhaniq cherez kislotnoe pischewarenie i rastworimyj nastoj osnownyh älementow Ca, Mg, N, Cu, Mn i Zn, a takzhe toxichnyh älementow Al, Cd i Pb w chetyreh markah mate, prodawaemyh w gorode Lages (Kanada). Dlq opredeleniq obschego soderzhaniq ispol'zowalsq nitroperhlornyj metod w sootwetstwii s Rukowodstwom po metodam analiza tkanej, primenqemym w kompanii Embrapa, a dlq opredeleniq obschego soderzhaniq azota - sernyj metod. Dlq prigotowleniq nastoq 1,5 g mate wzweshiwali w 10 ml deionizirowannoj wody, wremq kontakta sostawlqlo 10 minut pri temperaturah 70, 80 i 90 °C. Kolichestwennoe opredelenie älementow prowodilos' w ISP-OJeS. V srednem naibol'shee soderzhanie wseh älementow w nastoe bylo polucheno pri temperature 70 °C. Pitatel'nye weschestwa Ca, Mg, N, Cu, Mn i Zn perehodili w mate. Soderzhanie Cd w nastoe prewyshaet maximal'nye znacheniq, razreshennye zakonodatel'stwom dlq nastoew. Odnako po soderzhaniü Pb wyshe dopustimogo znacheniq tol'ko u marki M4.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9786206262213\"\u003e\u003ch3\u003eOcenka soderzhaniq älementow w mate\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9786206262213","offer_id":46918443532613,"sku":"9786206262213","price":19.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/62858d63-859a-43c0-bf26-0177c4d0faf7.png?v=1758608210","url":"https:\/\/shop.autorenwelt.de\/products\/soderzhanie-toxichnyh-alementow-w-kommercheskom-nastoe-mate-von-priscilla-dors-andrej-de-souza-und-mari-lusiq-kampos","provider":"Autorenwelt Shop","version":"1.0","type":"link"}