Merck 氫氧化鈉溶液 (Sodium hydroxide solution) 1.09141.1000 和更多型號

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氫氧化鈉溶液 MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Grade Value
Reag. Ph Eur

Description
Catalogue Number	109141

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

Physicochemical Information
Density	1.00 g/cm3 (20 °C)
pH value	12.7 (H₂O, 20 °C)

Safety Information according to GHS
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	NWG not water endangering

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

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

Specifications
Form	liquid
Amount-of-substance concentration	0.0995 - 0.1005
Measurement uncertainty	+/- 0.0003
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 1.09060). 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.