Sigma-Aldrich Sodium Hydroxide Solution

Grade

for inorganic trace analysis

Quality Level

100

Agency

suitable for SM 2310
suitable for SM 2320
suitable for SM 5210

Vapor Pressure

3 mmHg ( 37 °C)

Form

liquid

Concentration

30%

Ph

14 (20 °C in H₂O)

Density

1.33 g/cm³at 20 °C

Storage Temp.

2-30°C

Smiles String

[OH-].[Na+]

Related Categories

Caustic Alkalis & Bases

Analysis Note

Assay (acidimetric): ≥ 30.0 %
Chloride (Cl): ≤ 1000 ppb
Phosphate (PO₄): ≤ 50 ppb
Silicate (as SiO₂): ≤ 2000 ppb
Sulfate (SO₄): ≤ 2000 ppb
Al (Aluminium): ≤ 20 ppb
As (Arsenic): ≤ 50 ppb
Ba (Barium): ≤ 200 ppb
Ca (Calcium): ≤ 100 ppb
Cd (Cadmium): ≤ 2 ppb
Ce (Cerium): ≤ 5 ppb
Co (Cobalt): ≤ 2 ppb
Cr (Chromium): ≤ 10 ppb
Cu (Copper): ≤ 5 ppb
Eu (Europium): ≤ 5 ppb
Fe (Iron): ≤ 10 ppb
Hg (Mercury): ≤ 10 ppb
K (Potassium): ≤ 2000 ppb
La (Lanthanum): ≤ 5 ppb
Li (Lithium): ≤ 200 ppb
Mg (Magnesium): ≤ 50 ppb
Mn (Manganese): ≤ 2 ppb
Ni (Nickel): ≤ 5 ppb
Pb (Lead): ≤ 10 ppb
Sc (Scandium): ≤ 5 ppb
Sm (Samarium): ≤ 5 ppb
Sr (Strontium): ≤ 100 ppb
Tl (Thallium): ≤ 5 ppb
Y (Yttrium): ≤ 5 ppb
Yb (Ytterbium): ≤ 5 ppb
Zn (Zinc): ≤ 10 ppbSUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, GermanyGHS05H290 - H314P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363