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Ammonium sulfate for analysis EMSURE
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Last Updated
30 Jul 2020
Country Origin
Germany
Minimum Order
1 Kilogram

Specification of

Ammonium sulfate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Laboratory Reagents

Description

Analysis Note

Assay (alkalimetric): ≥ 99.5 % Insoluble matter: ≤ 0.001 % pH-value (5 %; water, 25 °C): 5.0 - 6.0 Chloride (Cl): ≤ 0.0003 % Nitrate (NO₃): ≤ 0.001 % Phosphate (PO₄): ≤ 0.0005 % Heavy metals (ACS): ≤ 0.0005 % Heavy metals (as Pb): ≤ 0.0005 % Al (Aluminium): ≤ 0.000075 % As (Arsenic): ≤ 0.00002 % Ca (Calcium): ≤ 0.001 % Cd (Cadmium): ≤ 0.0001 % Cr (Chromium): ≤ 0.000075 % Cu (Copper): ≤ 0.0002 % Fe (Iron): ≤ 0.0002 % Mg (Magnesium): ≤ 0.0005 % Pb (Lead): ≤ 0.0002 % Zn (Zinc): ≤ 0.0001 % Residue on ignition (as sulfate): ≤ 0.005 % Loss on Drying (105 °C): ≤ 0.1 % Corresponds to ACS,ISO,Reag. Ph Eur

Properties

Quality Level300
gradeACS reagent
Reag. Ph. Eur.
reag. ISO
vapor pressure<1 Pa ( 25 °C)
potency2840 mg/kg LD50, oral (Rat)
pH5 (100 g/L in H2O)
mp>280 °C (dec.) (lit.)
solubility754-764 g/L
density1.77 g/mL at 25 °C (lit.)
bulk density850 kg/m3
SMILES stringN.N.OS(O)(=O)=O
InChI1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
InChI keyBFNBIHQBYMNNAN-UHFFFAOYSA-N
storage conditionsStore at +5°C to +30°C.

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