1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP) - organic acid, complexing agent.
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Benzyl alcohol corresponds GOST 8751-72 (benzyl alcohol pure for analysis, benzyl alcohol PFA)
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The Caustic Soda. Technical GOST 55064-2012 mark RD high grade (sodium hydroxide)
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Dimethyl sulfoxide (DMSO) is an organic solvent, a colorless transparent liquid. The content of the main substance of dimethyl sulfoxide is not less than 99.8%. The water content is not more than 0.03 %.
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Dimethylacetamide (dimethylamide acetic acid) is an organic solvent, colorless liquid. The content of the main substance of dimethylacetamide is not less than 99.8 %, the water content is not more than 0.01 %.
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Dimethylformamide corresponds to GOST 20289-74 (dimethylformamide chemically pure).
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Ethyl Acetate mark A highest grade GOST 8981-78 (acetic ether)
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Isopropanol (IPA, Isopropyl alcohol, 2-Propanol) corresponds to GOST 9805-84 is a widely used organic solvent. The content of the basic substance is not less than 99.8 %, the water content is not more than 0.1 %. 

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Methylene Phosphonic Acid is a crystalline loose powder of white or slightly greenish color, soluble in acids, alkalis, water, insoluble in organic solvents. The content of the basic substance is not less than 95 %.
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Methylpyrrolidone (1-methyl-2-pyrrolidone; N-methyl-gammabutyrolactone) – organic solvent, transparent liquid. The content of the basic substance is not less than 99.8 %, the water content is not more than 0.1 %.
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