Shanghai Peiou Infrared Quartz Digestive Furnace (Heavy Metal) SKD-20T

Scope of application: Can be used in agriculture, forestry, environmental protection, geology, chemical industry, food and other departments, as well as in higher education institutions and research departments for digestion of plants, seeds, feed, food, soil, ores, etc. Features: 1. Temperature control, elimination of digestion wall hanging phenomenon, good sample reducibility

Scope of application:
Can be used for digestion of plants, seeds, feed, food, soil, minerals, etc. in agriculture, forestry, environmental protection, geology, chemical industry, food and other departments, as well as in higher education institutions and scientific research departments

instrumentcharacteristic:
1. Temperature can be controlled to prevent digestion and wall sticking, and the sample has good reducibility.
2. The heating element (module) adopts infrared quartz tube, which is resistant to strong acids and alkalis, anti explosion, has a long service life, and meets CE standards
3. The furnace hole temperature and heating rate are adjustable, with a fast heating ratejustEliminate wall hanging

5. The instrument has overcurrent protection and leakage protection
6. Adopting dual switches, power and heating are separately controlled for easy safety parameter setting and energy conservation.
7. Adopting a new generation of temperature display and control instrument, PID intelligent control technology, high temperature control accuracy.

8. The instrument is equipped with a stainless steel drain cover, which allows harmful gases such as SO2 that escape from the digestive tract to be discharged into the sewer through the suction pump via the drain pipe, effectively suppressing the escape of harmful gases，Digestive tract，Digestive rack，Cooling rackSKD-18S2/SKD-48S2/SKD-20T does not have a drain cover

9. Sample explosion-proof device (optional)

technologyparameter：

1. QuartzPrinciple of structural heating

Our company uses pearl milk white quartz tubes with electric heating materials to provide excellent and reliable far-infrared radiation characteristics for our far-infrared quartz heating elements,After power on,Infrared and visible light emitted by hot materials97%Blocked by the milky white tube, absorption causes the temperature of the tube wall to rise, resulting in vibration of silicon oxygen bond molecules and far-infrared radiation,This makes97%Visible light and near-infrared light can be converted into far-infrared radiation. Overcoming the drawbacks of using only transparent quartz glass to transmit visible and near-infrared light,Thus effectively converting electrical energy into far-infrared radiation..

2. Infrared quartz programmed heatingDigestion furnacecharacteristic

The far-infrared quartz heating element uses a milky white quartz tube as the infrared radiation source,No coating, no pollution, no harmful radiation, good chemical stability, high resistance warm,Diverse shapes, long-term use without deformation, good thermal stability, and feasible heating temperature selection. Long term use of radiation performance does not degrade. And it has a long service life, a reasonable structure, minimal thermal inertia, and is easy to use.

2. Temperature of each sample poreThe difference is smallTo avoid significant differences in sample digestion time, which may cause differences in digestion.

5The selection of heating element and heat carrier can be based on the user's needs to choose different heat carriers. Next, we will discuss the selection of heating elements and heat carriers.

*Infrared heating relies on thermal radiation to heat the sample, characterized by fast heating, low thermal inertia, and accurate temperature control. Generally used for digestion of samples with high requirements. For example, there is a faster rate of heating and cooling. Program heating allows users to choose a heating curve or segmented heating based on the characteristics of the sample, which is beneficial for the digestion of the sample and reduces the phenomenon of sample wall hanging, greatly improving the accuracy of sample digestion

*Aluminum ingot heating relies on the conduction of heat energy from the aluminum ingot to the sample. Its characteristics include slow heating, large thermal inertia, stable temperature, and good temperature consistency between each sample well due to the good thermal conductivity of the aluminum ingot. Widely used as a heat carrier in digestion furnaces, but it should also be noted that even a thin aluminum ingot cannot maintain a constant temperature. Therefore, when choosing an aluminum ingot digestion furnace, the thickness of the aluminum ingot is also an evaluation indicator.

*Graphite heating relies on the conduction of heat from graphite to the sample. Its characteristics include high thermal inertia and slow heating. Due to the poor thermal conductivity of graphite (compared to aluminum ingots), the temperature between sample pores is uneven, which can easily cause a large difference in digestion time between samples. Some samples have too long digestion time, while others have too short digestion time. Affects the accuracy of data. However, due to the low cost of graphite materials (compared to aluminum ingots) and the cheaper cost of graphite digestion furnaces, it has certain appeal to some low-end users.The imported Kaishi digestion furnace does not use graphite as heat conduction.

Attention should be paid to the protective function of the digestion furnace:Heating control and parameter setting should be distinguished for control, overcurrentLeakageShort circuit protection.

The above lists some precautions when choosing a digestive furnace. It is recommended to understand your real needs before making a purchase, so as not to be misled by low prices and suffer losses.