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Microcrystalline plate standard COD digestion device
NegotiableUpdate on 05/06
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Overview
The YHC0D-8Z microcrystalline plate standard COD digestion device adopts microcomputer technology and is designed reasonably. It can simultaneously perform heating reflux digestion on 8 250ML conical bottles. *According to the new national standard HJ 828-2017 replacing the national standard method (GB 11914-89), high-quality electric furnace wire is selected, with the correct heating power and a slight boiling time of 2 hours.
Product Details
YHC0D-8ZtypeMicrocrystalline board standardCODDissolving deviceUsing a specially designed electric furnace slot for heating, the high-temperature microcrystalline plate heating surface generates uniform heat on the surface during heating, with fast heating and cooling rates. At the same time, the sample solution accidentally drips on and evaporates naturally, reducing damage to the instrument caused by improper operation.
YHC0D-8ZtypeMicrocrystalline board standardCODDissolving deviceThe digestion time can be set, and a countdown to the digestion time can be displayed. After digestion is complete, the instrument automatically stops heating, and the instrument fan continues to work to assist in sample cooling. It can be left unattended.
YHC0D-8ZType standardCODDigestion device,Using glass burr reflux tubes instead of spherical reflux tubes, and replacing circulating water cooling methods with air and water cooling technologies, the operation is more convenient. The cooling part is mainly completed by burr condensation tube water cooling and fan air cooling, and the upper part of the condensation tube is spherical3Bubble, better cooling effect, catalyst added from here, prevents the instantaneous evaporation of light components in the sample, and can be covered with a volatilization cap. The following section is'burr'Shape, protruding from the wall of a condenser tube on a plane3A person facing each other'cold brew'Compared to a simple spherical condenser tube, it increases the cooling area and can block the passage of volatile substances and vapors. In addition, the cooling water in the upper part of the spherical reflux tube and the fan inside the machine have a dual effect,YHC0D-8ZType standardCODDigestion device,Ensure the reflux cooling of the sample,The plug-in burr reflux tube is safer and more stable to use.
Technical specifications:
Measuring range:5～700mg/L；700mg/L～10000 mg/LDetermination after dilution of water sample
Dissolving time:1Minutes~2hour30Minutes (Users can choose their own heating time)
Measurement error: Potassium hydrogen phthalate standard solution（500mg/L）The relative standard deviation is not greater than5%；
Industrial organic wastewater（500mg/L）The relative standard deviation is not greater than8%
Environmental temperature: ≤40℃
Number of Dissolved Samples:8a250mlErlenmeyer flaskSimultaneously heat and digest in two rows
Heating power: ≤1600W（AC 220V，50HZ）
Instrument size:490*290*605mm（H）
