di-Sodium oxalate, 100 g
Molar mass (M) 134,00 g/mol
Density (D) 2,27 g/cm³
Melting point (mp) 270 °C
CAS No. 62-76-0
excl. VAT. | 100 g per Pack Qty.
Art. No. HN39.1
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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
Potassium permanganate Index
The permanganate index measuring method is carried out in the same way as the COD method, only with potassium permanganate instead of potassium dichromate. This technique is used in drinking water analysis.
|Assay (perm.)||≥99,5 %|
|In H2O insoluble matter||≤0,005 %|
|Loss on drying (105 °C)||≤0,01 %|
|Dark coloured substance with H2SO4||complies|
|Chloride (Cl)||≤0,002 %|
|Sulphate (SO4)||≤0,002 %|
|Ammonium (NH4)||≤0,002 %|
|Heavy metals (as Pb)||≤0,002 %|
|Iron (Fe)||≤0,001 %|
|Potassium (K)||≤0,005 %|