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itwreagents
Europe
Main substance mine: 99%
Boiling point: 116-118°C
Water: 0.2%
Solubility: 66 g/l
2-Butanol: 0.07%
Dibutyl ether: 0.1%
Different packaging sizes
Different packaging sizes
Assay (Acidim.): 99.5-100.5%
Identity according to Pharmacopoeias:: passes test
Freezing point: ≥ 15.6°C
Europe
Main substance: 99.5%
Water: 0.3%
Aldehydes: 0.01%
Alcohols: 0.025%
Alkalinity: 0.001%
Acidity: 0.002%
Iron: 0.0001%
Reducing agents: 0.0002%
Heavy metals: 0.0003%
Differetnt packaging sizes available
itwreagents
Ash (calc. on dried subst.): max. 6.5 %
Gel strength (1.5 %): ≥ 750 g/cm2
pH (1.5 %; H2O): 4.0 - 8.0
Loss on drying (5 h; 105°C): max. 20.0 %
Gel point: < 50°C
Starch: passes test
Gelatine and other protein: passes test
H2O-insoluble matter: max. 1.0 %
Gelatine: passes test
Threshold gel concentration: max. 0.25 %
Water absorption: passes test
HCl-insoluble matter (calc. on dried subst.): max. 0.5 %
Identity: passes test
As: max. 0.0003 %
Hg: max. 0.0001 %
Cd: max. 0.0001 %
Pb: max. 0.0005 %
Main substance: 99.72%
Sulfates: 0.02%
Chlorides: 0.002%
Copper: 0.001%
Iron: 0.0002%
Heavy metals: 0.0001%
Europe
Assay (Acidim.): 98.0-101.0 %
Maximum limit of impurities
Insoluble matter in H2O: 0.01 %
Chloride (Cl): 0.005%
Phosphate (PO4): 0.005 %
Sulfate (SO4): 0.007%
Sulfide: passes test
Residual solvents (Ph.Eur.): passes test
Heavy metals (as Pb): 0.001%
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Български