Hóa chất Sodium chloride Merck 1064041000 (ClNa, Chai nhựa 1kg )

CAS #: 7647-14-5

Hill Formula: ClNa

Molar Mass: 58.44 g/mol

EC-No.: 231-598-3

Assay (argentometric): ≥ 99.5 %

Assay (argentometric; calculated on dried substance): 99.0 - 100.5 %

Identity: passes test

Appearance of solution: passes test

Acidity or alkalinity: passes test

pH-value (5 %; water): 5.0 - 8.0

Insoluble matter; ≤ 0.005 %

Bromide (Br): ≤ 0.005 %

Chlorate and Nitrate (as NO₃): ≤ 0.003 %

Hexacyanoferrate II: ≤ 0.0001 %

Ferrocyanides: passes test

Iodide (I): ≤ 0.001 % passes test

Nitrite (NO₂): passes test

Phosphate (PO₄): ≤ 0.0005 %

Sulfate (SO₄): ≤ 0.001 %

Total nitrogen (N): ≤ 0.0005 %

Heavy metals (as Pb): ≤ 0.0005 %

Heavy metals (ACS): ≤ 0.0005 %

As (Arsenic): ≤ 0.00004 %

Ba (Barium) passes test: ≤ 0.001 %

Ca (Calcium): ≤ 0.002 %

Cu (Copper): ≤ 0.0002 %

Fe (Iron): ≤ 0.0001 %

K (Potassium): ≤ 0.005 %

Mg (Magnesium): ≤ 0.001 %

Calcium, Magnesium and R₂O₃-precipitate: ≤ 0.005 %

Magnesium and alkaline-earth metals (as Ca): ≤ 0.0100 %

Loss on drying (105 °C, 2 h): ≤ 0.5 %

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