硫酸钙

硫酸鈣

liúsuāngài

noun

Meanings

1 calcium sulfate (CaSO4)
2 gypsum / food-grade tofu coagulant

Characters

Examples

南豆腐通常用硫酸钙作凝固剂。

Nándòufu tōngcháng yòng liúsuāngài zuò nínggùjì.

Soft southern-style tofu usually uses calcium sulfate as coagulant.

医用石膏的主要成分就是硫酸钙。

Yīyòng shígāo de zhǔyào chéngfèn jiùshì liúsuāngài.

The main component of medical plaster of Paris is calcium sulfate.

Tips

usage

硫酸 (sulfate) + 钙 (calcium) = CaSO4 — this is the chemical name for 石膏 (gypsum). In food-processing contexts 硫酸钙 coagulates soy milk into soft 嫩豆腐 / 南豆腐, while 卤水 (nigari, MgCl2) makes firmer 北豆腐.

Stroke Order

硫 liú

酸 suān

钙 gài