Remember these 14 things you can safely use the muffle furnace

(1) The muffle furnace should be placed on a solid cement table, and no chemical reagents should be stored around, let alone flammable and explosive materials;

(2) The high-temperature furnace must have a special electric switch to control the power supply;

(3) When the new furnace is heated for the first time, the temperature should be adjusted step by step several times and slowly rise;

(4) When melting or burning samples in the furnace, the heating rate and the maximum furnace temperature must be strictly controlled to avoid sample splashing, corrosion and bonding of the furnace. Such as burning organic matter, filter paper, etc., must be ashed in advance;

(5) It is better to line the furnace with clean and flat refractory sheet to avoid damage to the furnace wall in the event of accidental splash loss;

(6) The power must be cut off after use, and the furnace door can be opened only after the temperature drops below 200°C, and the power must be cut off when loading and taking samples to prevent electric shock;

şəkil

(7) The opening time of the furnace door should be as short as possible when loading and taking samples to extend the service life of the electric furnace;

(8) It is forbidden to pour any liquid into the furnace;

(9) Do not put samples stained with water and oil into the furnace; do not use clamps stained with water and oil to load and take samples;

(10) Wear gloves when loading and taking samples to prevent burns;

(11) The sample should be placed in the middle of the furnace, neatly placed, and not random;

(12) Do not touch the electric furnace and surrounding samples casually;

şəkil

(13) Cut off the power and water source after use;

(14) Do not exceed the maximum temperature of the resistance furnace during use