phèn chua

Friendly

The Vietnamese word "phèn chua" refers to "alum," which is a type of chemical compound often used in various applications. Here’s a breakdown to help new learners understand it better:

Basic Definition

• Phèn chua (Alum): A double sulfate mineral that is commonly used in cooking, water purification, and as a food preservative.

Usage Instructions

1. In Cooking: "Phèn chua" is sometimes used in pickling vegetables to maintain their crisp texture.
2. In Water Treatment: It helps purify drinking water by causing impurities to clump together and settle at the bottom.
3. In Traditional Medicine: "Phèn chua" can be used for its astringent properties.

Examples

1. Cooking: "Khi làm dưa, tôi thường thêm một ít phèn chua để dưa giòn hơn." (When making pickles, I usually add a little alum to make them crisper.)

2. Water Purification: "Phèn chua được sử dụng để làm sạch nước bẩn." (Alum is used to clean dirty water.)

Advanced Usage

• "Phèn chua" can also be found in the cosmetic industry, where it is used in deodorants and aftershaves for its astringent qualities.
• In some traditional practices, it is utilized in the process of dyeing fabrics.

Word Variants

• Phèn: This term alone can refer to various types of alum.
• Phèn nhôm: Specifically refers to aluminum sulfate, a common type of alum.

Different Meanings

• While "phèn chua" primarily refers to alum, it can also refer to other types of "phèn" in different contexts, such as "phèn sắt" (iron alum) or "phèn kali" (potassium alum).

Synonyms

• Alum: The direct English translation.
• Aluminum sulfate: A specific type of "phèn chua" used in water treatment.

Academic

1. Alum