Purification equipment for laboratory clean engineering
Purification equipment for laboratory clean engineering
The laboratory constant temperature water bath box is generally a rectangular box made of stainless steel or copper. The box body is a two-layer wall structure. To prevent heat dissipation; the box is filled with water, commonly used for electric heating, and the temperature range can usually be...
Text label: pharma machinery clean engineering, purification equipment installation, design and decoration
Purification equipment for pharma machinery clean engineering
The laboratory constant temperature water bath box is generally a rectangular box made of stainless steel or copper. The box body is a two-layer wall structure. To prevent heat dissipation; the water in the box is usually heated by electric heating, the temperature range can usually be adjusted from 37 ° C to 65 ° C, and a spiral tube temperature controller is used; the box cover is made of a slope, which is convenient for the water droplets condensed by water vapor to flow down the slope. , to avoid falling into the items in the box; generally used for heating and constant temperature in serum reaction and molecular microbiology experiments. The core part of the carbon dioxide incubator is a CO2 regulator, a temperature regulator and a humidity adjustment device. The general temperature adjustment range is from room temperature to 50 °C, the humidity is above 95%, and the CO2 control range is 0-20%. When the air enters the box Afterwards, the humidity in the box is maintained at an appropriate level through a moist water-containing tray; due to the high humidity in the box, it must be handled frequently to avoid mold growth, otherwise it will bring stubborn pollution and seriously affect the experiment.
The centrifuge is one of the most commonly used equipment in the laboratory. It is mainly composed of a base and a container chamber. There is a motor and a speed regulator in the base. The latter can adjust the resistance value through a knob or handle to control the motor speed; The turntable is a device fixed on the motor to prevent the centrifugal casing. Generally, there are 4-6 metal rings, which can be thrown horizontally during centrifugation; ultracentrifugation can be operated at low temperature to maximize the protection of the activity of biomolecules. The preparative centrifuge has a large load and can separate and purify several grams of samples at a time, which is much larger than that of chromatography, electrophoresis and other technologies; analytical centrifuges can not only measure the relative molecular mass of substances, but also test the purity, Conception, sedimentation coefficient, etc. Centrifugal technology occupies an important position in biological research and is the most convenient and effective process for separating or purifying cells, proteins, nucleic acids and enzymes. When using the centrifuge, pay attention to check that the inner and outer casings of the centrifuge should be complete and leak-proof, and wash the centrifuge tube; the amount of material to be centrifuged into the centrifuge tube should not exceed 2/3 of the volume of the centrifuge inner casing; Wash the outer casing and place it upside down to make it dry; regularly check the wear of the commutator and brushes, and replace them immediately; the bearings of the motor should be regularly lubricated. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for laboratories and laboratory engineering.
Microscopic technology is a classic and commonly used technology in microbiology, among which optical microscope is the most common; the basic structure of microscope includes optical system, mechanical parts and additional devices, etc. The mechanical parts mainly include focusing system, stage and Moving parts such as nosepieces and supporting parts such as bases, mirror arms, and lens barrels; the optical system includes objective lenses with different magnifications, eyepieces, and lighting devices composed of condenser lenses and reflectors; Concave reflectors should be used for light sources such as fluorescent lamps or low-light places; low-light should be used for unstained specimens, that is, the condenser should be lowered or narrowed down. When examining stained specimens, the light should be strong. The objective lens and eyepiece must always be kept clean, especially the oil lens. After use, wipe off the cedar oil on the lens with lens tissue immediately, and then dry it with dry lens tissue; after the microscope is used, the objective lens should be turned into 'eight'. ” shape, so that it is not facing the light, lower the condenser to avoid the collision between the objective lens and the condenser and damage the lens, and send it to the mirror box after registering the usage.
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