Métabisulfite de sodium, 500 g
Référence P755.1
€ 26,37
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Métabisulfite de sodium, 500 g
Détails du produit
Phrases P: P280 P303+P361+P353 P305+P351+P338 P310
Phrases H: H290-H302-H314
Numero CAS: 1310-58-3
Formules chimiques: KOH
Classe de danger: 8 II
Code SH: 28321000
Marque: Carl Roth
Sodium metabisulphite, min. 97 %, p.a., ACS, Molar mass (M) 190,11 g/mol, Density (D) 2,36 g/cm³, CAS No. [7681-57-4], EG-Nr. 231-673-0, Empirical formula Na2S2O5
Salts for Analysis
Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.
Definition:p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation
Salts
| Assay (iodom.) | ≥97,0 % |
| In H2O insoluble matter | ≤0,005 % |
| Chloride (Cl) | ≤0,005 % |
| Thiosulphate | ≤0,05 % |
| Arsenic (As) | ≤0,0005 % |
| Lead (Pb) | ≤0,001 % |
| Iron (Fe) | ≤0,001 % |
| Heavy metals (as Pb) | ≤0,001 % |
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