Thermoplastics pipes and fittings. Vicat softening temperature. Part 2. Test conditions for unplasticized polyvinylchloride, chlorinated polyvinylchloride pipes and fittings and high impact polyvinylchloride pipes
Foodstuffs. Determination of nitrate and/or nitrite content. Part 2. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products