Sodium Chloride, GR, for analysis, 1 Kg, Merck

Description

Catalogue Number 106404

Product Information

CAS number 7647-14-5EC

number 231-598-3

Grade ACS,ISO,Reag. Ph Eur

Hill Formula ClNa

Chemical formula NaCl

Molar Mass 58.44 g/mol

HS Code 2501 00 99

Quality Level MQ300

Storage and Shipping Information

Storage Store at +2°C to +30°C.

Specifications

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 %

Corresponds to ACS,ISO,Reag. Ph Eur