DIN EN 13366-2001 肥料.螯合的微量养料含量和微量养料的螯合系数测定用阳离子交换树脂处理
Fertilizers - Treatment with a cation exchange resin for the determination of the chelated micro-nutrient content and of the chelated fraction of micro-nutrients; German version EN 13366:2001
The document specifies the treatment with a cation exchange resin for the determination of the chelated micro-nutrient content and of the chelat fraction of micro-nutrients in fertilizers.