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Dec. 21st, 2011|09:24 pm unknown_entity Rīt eksāmens ķīmiskajā analīzē, viens no sagatavošanās jautajumiem: 71. EDTA formula and properties. Influence of pH to EDTA complex formation ability. EDTA atšifrējas kā "Ethylenediaminetetraacetic acid" un formula ir "(HO2CCH2)2NCH2CH2N(CH2CO2H)2". Kā lai kautko tādu atceras uz vienu dienu? Nolāpītie ķīmiķi link Read Comments

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