Merck 109137 Sodium hydroxide solution c(NaOH) = 1 mol/l (1 N) Titripur® Reag. Ph Eur, Reag. USP 25 L

Category

Volumetrik Standartlar

Brand

MERCK

Stock Code

LB.M.1091379025

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Merck 109137 Sodium hydroxide solution c(NaOH) = 1 mol/l (1 N) Titripur Reag. Ph Eur, Reag. USP
Catalogue Number	109137

MERCK 109137 Sodium Hydroxide Solution c(NaOH) = 1 mol/l (1 N) Titripur® Reag. Ph Eur, Reag. USP

Product Information
Grade	Reag. Ph Eur,Reag. USP
HS Code	2815 12 00

Physicochemical Information
Density	1.04 g/cm3 (20 °C)
pH value	13.7 (H₂O, 20 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word	Danger
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	WGK 1 slightly water endangering
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).

Safety Information
Hazard Symbols	Corrosive
Categories of danger	corrosive
R Phrase	R 34 Causes burns.
S Phrase	S 26-36/37/39-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Storage and Shipping Information
Storage	Store at +15 °C to +25 °C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1824 , 8, II
Declaration (transport by air) IATA-DGR	UN 1824 , 8, II
Declaration (transport by sea) IMDG-Code	UN 1824 , 8, II, Segregation Group: 18 (Alkalis)

Specifications
Form	liquid
Amount-of-substance concentration	0.995 - 1.005
Measurement uncertainty	+/- 0.003
Traceability	NIST SRM
The concentration is determined by volumetric titration and refers to 20°C. The certified value of this volumetric solution was determined with hydrochloric acid standard solution (article number 1.09057). The hydrochloric acid standard solution is standardized and traceable to a primary standard from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 723 Tris(hydroxymethyl)aminomethane) by means of volumetric standard Tris(hydroxymethyl)aminomethane (Art. 1.02408). This volumetric standard is certified by the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%. All measurements are carried out in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany. Note: The titer is a correction factor to correct for variations of the volumetric solution, the titration equipment, the temperature and other laboratory conditions. For correct titration results it is recommended to determine a titer with the laboratory specific equipment and under laboratory specific conditions directly after opening a new bottle and at regular time intervals.

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Merck 109137 Sodium hydroxide solution c(NaOH) = 1 mol/l (1 N) Titripur® Reag. Ph Eur, Reag. USP 25 L

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