碳酸钠, anhydrous 99.5-100.5% NF, Ph. Eur., BP
供应商: VWR Chemicals
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Warning
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Synonyms:
纯碱
VWRC27767.295EA
489.49
CNY
VWRC27767.295
VWRC27767.466
碳酸钠, anhydrous 99.5-100.5% NF, Ph. Eur., BP
碳酸钠
Appearance: White or almost white, slightly granular powder, hygroscopic.
Caution: Not for use as Active Pharmaceutical Ingredient (API)
分子式:
Na₂CO₃ 分子量: 105.99 g/mol 沸点: 1600 溶点: 854 密度: 2.53 g/cm³ (20 °C) 存储条件: Ambient |
MDL编号:
MFCD00003494 CAS号: 497-19-8 EINECS: 207-838-8 REACH: 01-2119485498-19 Merck Index: 14,08596 |
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产品技术规格
Appearance | Conforms (see CoA/CoS) |
Heavy metals (as Pb) | ≤ 50 ppm |
Residual solvents | Unlikely by manuf.process |
Residues of metal catalysts or reagents | Unlikely by manuf.process |
As (Arsenic) | ≤ 5 ppm |
Cd (Cadmium) | ≤ 1 ppm |
Co (Cobalt) | ≤ 1 ppm |
Hg (Mercury) | ≤ 2 ppm |
Ni (Nickel) | ≤ 1 ppm |
Pb (Lead) | ≤ 5 ppm |
V (Vanadium) | ≤ 6 ppm |
Conforms to Ph.Eur./NF/BP | Passes test |
Ph.Eur./BP specifications: | . |
Assay (dried substance) [Ph.Eur./BP] | 99.5 - 100.5 % |
Identification A | Passes test NF |
Identification B | Passes test NF |
Identification C | Passes test Ph.Eur./BP |
Identification D [Ph.Eur./BP] | ≤ 1.0 % |
Appearance of solution | Passes test Ph.Eur./BP |
Alkali hydroxides and bicarbonates | Passes test Ph.Eur./BP |
Cl (Chloride) [Ph.Eur./BP] | ≤ 125 ppm |
SO4 (Sulphate) [Ph.Eur./BP] | ≤ 250 ppm |
Fe (Iron) [Ph.Eur./BP] | ≤ 50 ppm |
Loss on drying (300 ± 15°C) | ≤ 1.0 % |
NF specifications: | . |
Assay (calculated on anhydrous) [NF] | 99.5 - 100.5 % |
Water determination [NF] | ≤ 0.5 % |
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