| 2849.90 | | Other |
| 2849.90 | 010 | - Boron carbide, niobium carbide and tantalum carbide |
| 2849.90 | 090 | - Other |
| 28.50 | | |
| 2850.00 | 000 | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49 |
| 28.52 | | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams |
| 2852.10 | | Chemically defined |
| 2852.10 | 100 | 1 Certified reference materials |
| 2852.10 | | 2 Inorganic compounds and articles thereof: |
| 2852.10 | 210 | (1) Sulphates |
| 2852.10 | 220 | (2) Chemical preparations for photographic uses (other than varnishes, glues, adhesives and similar preparations) ; unmixed products for photographic uses, put up in measured portions or put up for retail sale in a form ready for use |
| 2852.10 | | (3) Other |
| 2852.10 | 291 | - Mercury carbides |
| 2852.10 | 299 | - Other |
| 2852.10 | | 3 Organic compounds and articles thereof: |
| 2852.10 | | (1) Tanning extracts of vegetable origin; tannins and their salts, ethers, esters and other derivatives: |
| 2852.10 | 911 | A Tannins and their derivatives |
| 2852.10 | 919 | B Other |
| 2852.10 | 920 | (2) Albuminoidal substances and their derivatives, excluding albuminates and other albumin derivatives |
| 2852.10 | 990 | (3) Other |
| 2852.90 | | Other |
| 2852.90 | | 1 Inorganic compounds and articles thereof: |
| 2852.90 | 110 | (1) Polysulphides |
Harmonized Tariff Schedule of Japans inquiry: The
