Diethylenetriamine pentaacetic acid Pentasodium nnu |140-01-2
Nkọwapụta ngwaahịa:
| Ihe | Diethylenetriamine pentaacetic acid Pentasodium nnu |
| Ọdịnaya (%)≥ | 40.0 |
| Chloride (dị ka Cl) (%) ≤ | 0,005 |
| Sulfate (dị ka SO4) (%)≤ | 0,005 |
| Ọla dị arọ (dị ka Pb)(%)≤ | 0,0005 |
| Ígwè (dị ka Fe) (%)≤ | 0,0005 |
| Uru chelation: (mgCaCO3/g)≥ | 80 |
| Nnukwu ike ndọda (25℃ g/ml) | 1.30-1.34 |
| pH: (1% ngwọta mmiri, 25 ℃) | 10-12 |
Nkọwa ngwaahịa:
Ngwaahịa a bụ mmiri mmiri transperent edo edo.The aqueous ngwọta bụ ike alkaline.
Ngwa:
(1) EDTA-5Na nwere ike ngwa ngwa n'ịwa mmiri-soluble ogige na calcium, magnesium, ígwè, lead, ọla kọpa na manganese plasma, karịsịa n'ihi na elu valence agba-emitting ọla, ya mere a na-eji ya dị ka 1 hydrogen peroxide bleaching stabilizer.
(2) Mmiri nro.
(3) Ihe enyemaka obibi akwụkwọ na akwa akwa.
(4) Analytical chemistry benchmark reagents.
(5) Titrant aghụghọ, wdg.
(6) A na-eji ya dị ka onye na-egbochi ire ere hydrogen peroxide na ịcha ọcha akwa na akwụkwọ na usoro ịcha ọcha.
ngwugwu:25kgs/bag ma ọ bụ dị ka ị rịọrọ.
Nchekwa:Chekwaa n'ebe ikuku na-ekuku, nke kpọrọ nkụ.
Onye isi ocheỌkọlọtọ:Ọkọlọtọ mba ụwa.
