### Step 1: English Definition
As a domain expert in the field of materials science and laboratory techniques, I'd like to provide a comprehensive definition of a Gooch crucible. A Gooch crucible is a specialized piece of laboratory equipment that is used primarily in the context of chemical analysis and the processing of solid materials. It is designed to facilitate the collection, drying, and weighing of precipitates, which are solid particles that form as a result of a chemical reaction in a solution.

The unique feature of a Gooch crucible is its perforated bottom. This design allows for the efficient drainage of liquids, typically after a process such as evaporation or filtration. The small size of the crucible makes it suitable for handling relatively small quantities of material, which is often necessary in analytical chemistry where precise measurements are required.

The process of using a Gooch crucible typically involves several steps:


1. Sample Preparation: The sample, which may be a solution containing a precipitate, is placed into the crucible.


2. Drainage: The crucible is then positioned over a heat source or allowed to sit undisturbed so that the liquid can drain through the perforations in the bottom.


3. Drying: After the liquid has been drained, the crucible is heated gently to evaporate any remaining solvent or moisture, leaving behind the solid precipitate.


4. Weighing: Once the precipitate is dry, it can be weighed to determine its mass. This mass can provide valuable information about the concentration of certain components in the original solution.


5. Analysis: The dried precipitate can then be further analyzed using various analytical techniques to determine its composition and properties.

The Gooch crucible is often used in conjunction with other laboratory equipment such as a muffle furnace, which can be used to ash the precipitate at high temperatures for further analysis.

It's important to note that while the term "Gooch filter" is sometimes used interchangeably with "Gooch crucible," the term "filter" might imply a different function or design. A filter typically refers to a device that separates solids from liquids or gases, whereas a crucible is more specifically designed for the purpose of containing and heating substances.

The use of a Gooch crucible is not limited to chemical analysis; it can also be found in various industrial processes where the separation and analysis of solid materials are required. Its perforated design makes it a versatile tool in the laboratory setting.

### Step 2: Divider
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medical Definition of Gooch crucible. : a small crucible with a perforated bottom in which precipitates can be collected, dried, and weighed -- called also Gooch filter.read more >>