I see the Calera process can apparently make the production of caustic soda cheaper than at present.

A cup of caustic soda a day is essential.

It is the only caustic soda producing plant in Kerala.

In the 1960s it was also the site of a new chemical industry, with plants producing fertilizer and caustic soda.

In 1984 output of caustic soda was 2.22 million tons.

The fuel was decladded by boiling it in caustic soda.

The concentration of this caustic soda is crucial to the test.

Then the wind got up, and coated everything with an invasive layer of caustic soda.

If I feel like swallowing a glass of caustic soda, that's my own problem.

The caustic soda must usually be concentrated to 50% and the salt removed.