1.Dosage ea reagent (PPM) = [(nomoro ea ho theola /20) × mahloriso a dilution/bolumo ba metsi a litšila a teko] ×106
★ PPM ke karolo e le 'ngoe ho milione,' me tekanyo ke 1PPM, e lekanang le tone e le 1 ea metsi a litšila, tekanyo ea moemeli ke 1 gram.
★ 1ML diluted solution e lekana le marotholi a 20
2.Sebelisa beaker ho nka 200ML ea metsi a litšila a teko (chroma 200, COD 110), fetola boleng ba PH ho 8, eketsa marotholi a 10 amoemedi wa decolorizingtharollo e nang le eyedropper (1ML e lekana le marotholi a 20), hlohlelletsa, ebe u eketsa marotholi a 12 a PAC, hlohlelletsa, 'me qetellong u kenye marotholi a 2 a PAM, hlohlelletsa,' me u eme motsotso o le mong. Chroma ea ho lemoha ke 4 (mokhoa oa dilution multiple) 'me COD ke 85, e kopanang le maemo a naha a tsoang.
3. Tekanyo ea tokiso ea reagent:moemedi wa decolorizing(2% tharollo, ke hore, dilution makhetlo a 50), PAC (2% tharollo), PAM (1‰ aqueous solution)
Chelete eamoemedi wa decolorizing= [(10/20) ×2%/200] ×106 = 50PPM
PAC tekanyo = [(12/20) ×2%/200] ×106 = 60PPM
Palo ea PAM = [(2/20) ×1‰/200] ×106 = 0.5PPM
Chelete eamoemedi wa decolorizingke 50PPM, e lekanang le ligrama tse 50 tsamoemedi wa decolorizingtharollo ea thepa ka tone e le 'ngoe ea metsi a litšila, joalo-joalo, PAC ke ligrama tse 60,' me PAM ke 0.5 grams.
Lintlha tsa mabitso:
Lanny.Zhang
Email : Lanny.zhang@lansenchem.com.cn
Whatsapp/wechat: 0086-18915315135



Nako ea poso: Mar-21-2025