Salts of oxometallic or peroxometallic acids:
Part of: 28 — Inorganic chemicals; compounds of precious metals, rare-earth metals
H043010 · 2008-12-17 — Classification and NAFTA Eligibility of Certain Tungsten Products
S. Customs and Border Protection (“CBP”) in which you requested a binding ruling regarding the classification under the Harmonized Tariff Schedule of the United States (“HTSUS”) of certain tungsten products. In addition, you have asked CBP to determine whether some of these products are eligible for duty-free entry into the United States under the North American Free Trade Agreement (“NAFTA”). Your request was forwarded to this office for a response. FACTS: The products to be classified are described as: Tungsten concentrates, produced by concentrating ore to a grade containing about 50%…
951277 · 1992-05-01 — Classification of Sodium Tungstate from China under the Harmonized Tariff Schedule of the United States (HTSUS).
Your letter of December 30, 1992, concerns the tariff status of crude sodium tungstate to be imported by Calport Resources, Inc. FACTS: A sample of the product was submitted, and described by a Customs Laboratory as a gray brown crude powder composed chiefly of sodium tungstate containing other inorganic material. Technical literature was said to describe it as a water soluble inorganic compound used for the extraction of metal or as a basis for new compounds. ISSUE: Classification of crude sodium tungstate in the HTSUS. LAW AND ANALYSIS: Chapter Note 1(a) to Chapter 28, HTSUS, - Inorganic…
950383 · 1992-02-19 — Reconsideration and revocation of 850317; barium ferrite
FACTS: In the aforementioned ruling, you were advised that barium ferrite powder would be classified under subheading 2825.90.6090, HTSUSA. That provision describes, in part, metal oxides other than those described elsewhere; other; other, dutiable at the column one general rate of 3.7% ad valorem. Barium ferrite is a magnetic oxometallic compound that is produced by fusing a barium oxide with hydrated iron oxide (ferrous hydroxide). Although produced from ferrous hydroxide, it is commercially referred to as a "ferrite", not an "oxide". ISSUE: What is the proper classification under the…
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