Catalogization of products for federal state needs. Standard format the description of items of supply. Rules for development, approval, maintaining and application
Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
State system for ensuring the uniformity of measurements. Requirements for the competence of providers of proficiency testing for test laboratories by interlaboratory comparisons
