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Sodium carbonate anhydrous, for HPLC,≥99.5%
CAEQ-4-013326-0100
100g
[497-19-8]
CNW
瓶
HPLC
¥ 180.00 180.00
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Guarantee analysisAssay (Acidim.) ≥99.5%Insoluble matter in H2O ≤0.005%Chloride (Cl) ≤0.001%Nitrogen compounds (as N) ≤0.001%Phosphate (PO4) ≤0.001%Sulphur compounds (SO4) ≤0.003%UV absorption (10% in H2O) λ 245 nm ≤0.10λ 250 nm ≤0.05λ 270 nm ≤0.03λ 300 nm ≤0.02λ 450 nm ≤0.01
Guarantee analysis
Assay (Acidim.) ≥99.5%Insoluble matter in H2O ≤0.005%Chloride (Cl) ≤0.001%
Nitrogen compounds (as N) ≤0.001%
Phosphate (PO4) ≤0.001%Sulphur compounds (SO4) ≤0.003%UV absorption (10% in H2O) λ 245 nm ≤0.10λ 250 nm ≤0.05λ 270 nm ≤0.03λ 300 nm ≤0.02λ 450 nm ≤0.01
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无水碳酸钠
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