Waikawa Tetraacetic Ethylene Diamine, Parahi Disodium (EDTA CuNa2)
Taonga: Ethylene Diamine Tetraacetic Acid Copper Disodium (EDTA-CuNa)2)
Nama CAS: 14025-15-1
Tauira ngota: C10H12N2O8CuNa2•2H2O
Taumaha ngota: M=433.77
Tātai Hanganga：
Ngā Whakatakotoranga：
| Taonga | Paerewa |
| Āhua | Paura kikorangi |
| Te nui o te parahi | 15.0 ± 0.5% |
| PH (1% wairewa) | 6.5 ± 0.5 |
| Te wairewatanga ki te wai | ≤0.1% |
Te tākai: 25KG putea kraft, me ngā tohu kūpapa kua tāia ki roto i te putea, i runga rānei i te tono a ngā kiritaki
Rokiroki: Rokirokihia ki roto i te whare putunga kua hiritia, maroke, whai hauhautanga me te atarangi
Tuhia tō karere ki konei ka tuku mai ki a mātou