1. Spectrophotometric determination of fluoride with lanthanum/alizarin complexone by flow injection analysis
2. 2. Y. Noguchi, T. Maruta, and T. Yamane, Environment and Measurement Technology, 2004, 31, 46.
3. 3. ISO 2828, “Aluminium Oxide Primarily Used for the Production of Aluminium—Determination of Fluorine Content-alizarin Complexone and Lanthanum Chloride Spectrophotometric Method”, 1973, International Organization for Standardization.
4. 4. JIS K 0102, “Testing Methods for Industrial Wastewater”, 1999, Japanese Industrial Standard Committee, Tokyo.
5. 5. CAJS I-51, “Standard Test Method for Cements and Raw Materials”, 1981, Japan Cement Association, Tokyo.