For citations:
Sobina E.P., Sobina A.V., Shimolin A.Yu., Tabatchikova T.N., Lebedeva E.L., Migal’ P.V., Krasheninina M.P. Application of direct and indirect methods for determining the mass fraction of the main component in flotation potassium chloride. Measurement Standards. Reference Materials. 2021;17(4):65-84. (In Russ.) https://doi.org/10.20915/2687-0886-2021-17-4-65-84

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