AQUEOUS SOLUTIONS CONTAINING COMPLEXING AGENT IN HIGH CONCENTRATION Russian patent published in 2018 - IPC C11D7/26 C11D7/32 C11D7/34 

Abstract RU 2659787 C2

FIELD: chemistry.

SUBSTANCE: invention relates to an aqueous solution for storage and transportation. Described is an aqueous storage or transportation solution comprising (A) in the range of 30 to 60 wt% complexing agent selected from alkali metal salts of methylglycine diacetic acid, (B) in the range of 1 to 25 wt% of at least one salt of a sulphonic acid or an organic acid, where the percentages are relative to the entire corresponding aqueous solution, wherein said aqueous solution does not contain surfactants.

EFFECT: technical result is the stability of solutions at temperatures from zero to 50°C.

8 cl

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RU 2 659 787 C2

Authors

Bil Markus Kristian

Grajndl Tomas

Khartmann Markus

Shtaffel Volfgang

Rejnoso Garsia Marta

Dates

2018-07-04Published

2014-05-13Filed