WEBINAR: Medición de DQO con espectrofotómetro HI802 con viales de código de barra y cero compartido

0:51 Contaminants in wastewater. 1:31 Industries that cause the most COD pollution. 4:05 What is COD? 4:56 Why is COD measured? 7:15 Standard: NMX-AA-030/1-SCFI-2012. 8:30 Ideal COD levels. 9:34 Colorimetric method. 10:30 Procedure for measuring COD using the colorimetric method. 11:18 mL to be added depending on the COD range. 13:17 Advantages and considerations of the colorimetric method. 14:57 Equipment and reagents for the colorimetric method. 16:32 Some features of the HI802 Visible Iris spectrophotometer. 8:18 PM Number of methods programmed for the barcode reader. 9:12 PM Methodologies that have a shared zero configuration. 10:25 PM Start of the experimental phase. 10:29 PM Materials, reagents, and equipment to be used. 12:27 PM Preparation of sample vials. 37:51 PM Selection of the COD method on the HI802 Visible Iris spectrophotometer. 39:03 PM Sample analysis with the spectrophotometer. Also find us on our other social media: 👉 Facebook:   / hannainstrumentsmexico   👉 Twitter:   / hannainstmexico   👉 Instagram:   / hannainst_mexico   👉 TikTok:   / hanna_instruments