1.06448
Sodium citrate, dihydrate
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Synonym(s):
Sodium citrate tribasic dihydrate, Trisodium Citrate, Sodium Citrate, Dihydrate, Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate
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About This Item
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grade
ACS reagent
Quality Level
Agency
reag. ISO
reag. Ph. Eur.
product line
EMSURE®
Assay
99.0-101.0% (perchloric acid titration)
99.0-101.0% anhydrous basis (perchloric acid titration)
form
solid
potency
>8000 mg/kg LD50, oral (Rat)
composition
Water, 11-13%
impurities
≤0.005% Insoluble matter
pH
7.5-9.0 (25 °C, 50 g/L in H2O)
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This Item | P7768 | P1903 | P1506 |
|---|---|---|---|
| specific activity 350-600 units/mg protein | specific activity 350-600 units/mg protein | specific activity 100-300 units/mg protein | specific activity 350-600 units/mg protein |
| biological source rabbit muscle | biological source - | biological source Bacillus sp. (B. stearothermophilus) | biological source rabbit muscle |
| form lyophilized powder | form buffered aqueous glycerol solution | form lyophilized powder | form ammonium sulfate suspension |
| storage temp. −20°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| mol wt 237 kDa | mol wt 237 kDa | mol wt - | mol wt 237 kDa |
| foreign activity lactic dehydrogenase, creatine phosphokinase, phosphoglucomutase, and myokinase ≤0.01% | foreign activity lactic dehydrogenase and creatine phosphokinase ≤0.01%, phosphoglucomutase and myokinase ≤0.05% | foreign activity - | foreign activity lactic dehydrogenase, creatine phosphokinase, and myokinase ≤0.01%, phosphoglucomutase ≤0.05% |
Linkage
Analysis Note
Assay (Perchloric acid titration, calc. on anhydrous substance): 99.0 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water; 25 °C): 7.5 - 9.0
Acidity or alkalinity: passes test
Chloride (Cl): ≤ 0.001 %
Oxalate (C₂O₄): ≤ 0.0300 %
Phosphate (PO₄): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.004 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
NH₃ (Ammonia): ≤ 0.003 %
Readily carbonisable substance: passes test
Water: 11.0 - 13.0 %
Corresponds to ACS,ISO,Reag. Ph Eur
Legal Information
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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