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Sodium thiosulfate pentahydrate for analysis EMSURE? ACS,ISO,Reag. Ph Eur
Sodium thiosulfate pentahydrate for analysis EMSURE? ACS,ISO,Reag. Ph Eur
Description
| Catalogue Number | 106516 |
| Replaces | SX0815-1; SX0815 |
| Synonyms | Antichlor |
Product Information
| CAS number | 10102-17-7 |
| EC number | 231-867-5 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | Na?O?S? * 5 H?O |
| Molar Mass | 248.18?g/mol |
| HS Code | 2832 30 00 |
| Quality Level | MQ300 |
Specifications
| Assay (iodometric) | 99.5 – 101.0?% |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble matter | ??0.005?% |
| pH-value (5 %; water, 25 ?C) | 6.0 – 7.5 |
| pH-value (10?%; water) | 6.0 – 7.5 |
| Chloride (Cl) | ??0.008?% |
| Sulfate and sulphite (as SO?) | ??0.1?% |
| Sulfide (S) | passes test |
| Heavy metals (as Pb) | ??0.001?% |
| Total nitrogen (N) | ??0.002?% |
| Ca (Calcium) | ??0.002?% |
| Cu (Copper) | ??0.0005?% |
| Fe (Iron) | ??0.0005?% |
| K (Potassium) | ??0.001?% |
| Mg (Magnesium) | ??0.001?% |
| Pb (Lead) | ??0.0005?% |
| Corresponds to ACS, ISO, Reag. Ph Eur | |
Safety Information
| RTECS | WE6660000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 28 Aqueous solutions: Container D. |
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