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Harmonized System
Section VI > Chapter 28 > Heading 2836 > 2836.9 > 2836.91
… Lithium carbonates …
Section VI > Chapter 28 > Heading 2836 > 2836.9 > 2836.92
… Strontium carbonate …
Section VI > Chapter 28 > Heading 2840 > 2840.20
… Other borates …
Section VI > Chapter 28 > Heading 2841 > 2841.30
… Sodium dichromate …
Section VI > Chapter 28 > Heading 2843 > 2843.2 > 2843.21
… Silver nitrate …
Section VI > Chapter 28 > Heading 2832 > 2832.10
… Sodium sulphites …
Section VI > Chapter 28 > Heading 2832 > 2832.20
… Other sulphites …
Section VI > Chapter 28 > Heading 2833 > 2833.1
… Sodium sulphates …