Magnesium hydroxide slurry is a special liquid system in which solid particles of magnesium hydroxide are dispersed in water to form a suspended state. Magnesium hydroxide slurry has wide application value. During the preparation and use process, strict control of conditions and parameters is required to ensure its quality and safety.
1. Definition and Characteristics
Definition: Magnesium hydroxide slurry refers to a suspension formed under appropriate conditions after dissolving a solid magnesium hydroxide in water. Among them, the magnesium hydroxide particles remain suspended in water and will not completely dissolve.
Features: The particle size in the magnesium hydroxide slurry is generally below 0.1 microns, which makes it have good dispersion and stability. Magnesium hydroxide suspension is different from ordinary suspensions. The particle size in the suspension is generally between 1-100 microns, while the particles in the magnesium hydroxide slurry are smaller and are not easily removed by filtration.
2. Preparation and application
Preparation method:
The magnesium hydroxide slurry can be prepared by a variety of methods, such as liquid phase chemistry method, precipitation method, etc. Among them, liquid phase chemistry is a preparation technology with a relatively wide application. During the preparation process, it is necessary to control the reaction conditions, such as temperature, pH, etc., to obtain an ideal suspension of magnesium hydroxide.
Application areas:
Magnesium hydroxide slurry have wide applications in many fields, such as medicine, food, environmental protection, etc.
In the field of medicine, magnesium hydroxide slurry can be used as antacids, laxatives, etc., to treat symptoms such as excessive gastric acid and constipation.
In the food field, magnesium hydroxide slurry can be used as food additives, such as acidity regulators, anti-caking agents, etc., to improve the taste and stability of food.
In the field of environmental protection, magnesium hydroxide slurry can be used as flocculants for wastewater treatment, helping to remove suspended and contaminants from wastewater.
3. Properties and stability
Chemical Properties: Magnesium hydroxide is a strong electrolyte that is difficult to dissolve in water and alcohol, but it is soluble in dilute acid and ammonium salt solutions. Its aqueous solution is alkaline and has the ability to neutralize acid.
Stability: The stability of magnesium hydroxide slurry is affected by a variety of factors, such as particle size, selection of dispersant, etc. The stability of the magnesium hydroxide slurry can be improved by optimizing the preparation conditions and selecting the appropriate dispersant.
4. Things to note
Safety of use: When using magnesium hydroxide slurry, you need to comply with relevant safety operating procedures to avoid direct contact with the skin, eyes, etc. If you are not careful, you should immediately rinse with a lot of clean water and seek medical treatment.
Storage conditions: The magnesium hydroxide slurry should be stored in a dry, cool and well-ventilated place to avoid direct sunlight and high temperatures. At the same time, mixed placement with flammable and explosive items should be avoided.
Validity period: The validity period of magnesium hydroxide slurry is related to its storage conditions and quality standards. During use, attention should be paid to check the validity period of the product and use it within the specified validity period.