| Availability: | |
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| Quantity: | |
| CAS NO: | 6132-04-3 | |||
| EINECS No: | 200-675-3 | |||
| Molecular Formula | C6H5Na3O7·2 H2O | |||
| Molecular Weight : | 294.1 | |||
| Melting Point | 300℃ | |||
| Density | 1.76 | |||
| Grade | AR | |||
| Packaging | 25kg | |||
| Storage | Sealed storage | |||
| Items | Specification | |||
| Appearance | ||||
| Assay w/% | ≥99.0% | |||
| pH(50g/L,25℃) | 7.5~9.0 | |||
| clarity test | Qualified | |||
| water insoluble substance w/% | ≤0.005 | |||
| chloride (C1) w/% | ≤0.001 | |||
| sulphate (SO4) w/% | ≤0.005 | |||
| Total Nitrogen (N) | ≤0.001 | |||
| Phosphate (as PO4) | ≤0.002 | |||
| Iron (Fe) | ≤0.005 | |||
| Heavy metals (Pb) | ≤0.005 | |||
| Carbonaceous substance | Qualified | |||
| Usage: | ||||
Buffer components for the preparation of total ribosomal RNA from E. coli | ||||