Sodium hydroxide pellets for analysis EMSURE® ACS,Reag. Ph Eur,ISO

Description

Assay (acidimetric,NaOH)	99 – 100 %
Assay (total alkalinity calc. as NaOH)	99 – 100 %
Identity	passes test
Appearance of solution	passes test
Carbonate (as Na₂CO₃)	≤ 0.5 %
Chloride (Cl)	≤ 0.0005 %
Phosphate (PO₄)	≤ 0.0005 %
Silicate (SiO₂)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.0005 %
Total nitrogen (N)	≤ 0.0003 %
Heavy metals (as Ag)	≤ 0.0005 %
Heavy metals (as Pb)	≤ 0.0005 %
Al (Aluminium)	≤ 0.0005 %
As (Arsenic)	≤ 0.0001 %
Ca (Calcium)	≤ 0.0005 %
Cu (Copper)	≤ 0.0002 %
Fe (Iron)	≤ 0.0005 %
Hg (Mercury)	≤ 0.00001 %
K (Potassium)	≤ 0.020 %
Mg (Magnesium)	≤ 0.0005 %
Ni (Nickel)	≤ 0.0005 %
Pb (Lead)	≤ 0.0005 %
Zn (Zinc)	≤ 0.001 %

Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P234: Keep only in original packaging. P260: Do not breathe dust or mist. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Danger
RTECS	WB4900000
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	13 Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535).