North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 271 - Basic chemicals
- 27112 - Other basic inorganic chemicals
- 271124 - Inorganic potassium and sodium compounds (except alkalis, alums, and bleaches)
- 2711241 - Inorganic potassium and sodium compounds (except alkalis, alums, and bleaches)
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