State system for ensuring the uniformity of measurements. National standard. Standard reference data. Titanium. Lattice constants for the temperature range from 5 K to 300 К. Linear temperature expansion coefficient for the temperature range from 5 К to 1200 К
Foodstuffs. Determination of nitrate and/or nitrite content. Part 2. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products