What Is a Ceramic Crucible?
Porcelain crucible is a kind of chemical laboratory supplies, the main ingredients: alumina (45-55%), silicon dioxide. The maximum heat resistance is about 1200 degrees Celsius. Suitable for melting samples of acidic materials such as K2S2O7.
Porcelain crucible
Right!
- Chinese name
- Porcelain crucible
- Main ingredients
- Alumina, silica, zirconia
- Highest heat resistance
- 1200 degrees Celsius
- Attributes
- Wash with dilute HCl
- manufacturer
- Dongguan Mingrui Ceramics
- Porcelain crucible is a kind of chemical laboratory supplies, the main ingredients: alumina (45-55%), silicon dioxide. The maximum heat resistance is about 1200 degrees Celsius. Suitable for melting samples of acidic materials such as K2S2O7.
- Main ingredients: alumina (45-55%), silica.
- 1. The maximum heat resistance is about 1200 degrees Celsius.
- 2. Suitable for melting samples of acidic materials such as K2S2O7.
- 3 Generally cannot be used for melting with alkaline substances such as NaOH, Na2O2, Na2CO3, etc., so as not to corrode the porcelain crucible. Porcelain crucibles should not come into contact with hydrofluoric acid.
- 4 Porcelain crucibles are generally washed with dilute HCl.
- 5. Porcelain crucibles can be divided into: medium-wall crucibles, low-wall crucibles, high-wall crucibles, plain pots, volatile pots, tight pots, Roga pots, double-layer pots, Gourmet pots, fine-pore pots, infrared carbon and sulfur crucibles, Free expansion coefficient crucible and so on.
- 6. Ceramics are absorbent. Therefore, in order to reduce the error, the crucible should be strictly dried and weighed on the analytical balance before use. Sometimes the analytes are filtered with ashless filter paper, and the filter paper is put into the crucible together; this filter paper is completely decomposed in a high temperature environment without affecting the result. After the high temperature treatment, the crucible and the contents are dried and cooled in a special dryer, and then weighed again. Use a clean crucible clamp to pick it up.