30% Sodium hydroxide solution

Chemical Appearance

– A 30% sodium hydroxide solution is typically a clear, colorless liquid.

– It is viscous and has a slippery feel due to its strong alkaline nature.

– Being hygroscopic, it can absorb moisture and carbon dioxide from the air, which may cause the – solution to appear cloudy over time.

 

Chemical Application

– Chemical Manufacturing: Sodium hydroxide is used in the production of various chemicals, including soaps, rayon, paper, explosives, dyestuffs, and petroleum products.

– Soap and Detergent Production: It is a key ingredient in the saponification process to produce soap. It’s also used in the manufacture of anionic surfactants, a crucial component in detergents.

– Paper Industry: In papermaking, sodium hydroxide is used in the pulping process of turning wood into pulp, which is then used to make paper.

– Water Treatment: It’s used to adjust pH levels in water treatment facilities to neutralize acid water.

– Food Processing: In the food industry, it is used in the processing of foods like olives, or for washing or peeling fruits and vegetables.

– Textile Industry: Sodium hydroxide is used in the textile industry for processes like scouring, bleaching, and desizing fabrics.

– Petroleum Products: It’s used in the refining of petroleum products and in the extraction of tar sands.

 

Specification

inspecting item	Standard requirements	The measured results
content,%	≥30.0	30.5
surface	Colorless, clear, thick liquid	Colorless, clear, thick liquid
soda,%	0.2	<0.2
sodium chloride,%	Lull 0.008	<0.008
ferric oxide,%	Lull 0.001	<0.001

 

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