1.88050

Water Standard

0.01%, Reference Material for coulometric Karl Fischer Titration 1 g ≙ 0.1 mg H₂O Aquastar^®

• Codice UNSPSC: 41115601
• Numero indice EU: 215-535-7
• NACRES: NA.24

Proprietà

• product name: Water Standard 0.01 %, Reference Material for coulometric Karl Fischer Titration 1 g ≙ 0.1 mg H₂O Aquastar^®
• Grado: reference material
• Livello qualitativo: 300
• agenzia: ISO 17025
• Tensione di vapore: 10 hPa ( 20 °C)
• Nome Commerciale: Aquastar^®
• Forma fisica: liquid
• Temp. autoaccensione: 465 °C
• Limite di esplosione: 1.7-7.5 % (v/v)
• tecniche: Karl-Fischer titration: suitable; titration: suitable
• P. eboll.: 137 °C/1013 hPa
• Punto di fusione: -34 °C (xylene)
• Temp. transizione: flash point 25 °C
• Solubilità: 0.2 g/L
• Densità: 0.86 g/mL at 20 °C
• Formato: single component solution
• Temperatura di conservazione: 15-25°C

Descrizione

Descrizione generale

The 0.01% water standard is gravimetrically prepared from high-purity water and reagents. Its characterization is performed at an accredited quality control (QC) laboratory according to DIN EN ISO/IEC 17025. The water content of the standard is measured by direct coulometric Karl Fischer titration following ISO 760.

Applicazioni

It is used as a reference material to verify the accuracy of coulometric Karl Fischer titrators according to ISO 9001 chapter 7.1.5 “Monitoring and measuring resources”. It can also be used to check the accuracy of measured results according to European Pharmacopeia (Ph.Eur.) chapter 2.5.32 “Water Micro Determination”.

Caratteristiche e vantaggi

• Packed in convenient 8 mL glass ampules. Each box contains 10 single-use ampules
• Supplied with a batch-specific certificate of analysis (CoA) having data on exact measured water content of the batch, uncertainty, method of analysis, the NIST batch, and minimum shelf life
• Measured and qualified in an ISO/IEC 17025 accredited laboratory
• Directly traceable to SI unit (kg) and verified by secondary reference standards 2890 from NIST
• Shelf life of 18 months

Confezionamento

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals.

Risultati analitici

Assay (H₂O): 0.090 - 0.110 mg/g

Note legali

AQUASTAR is a registered trademark of Merck KGaA, Darmstadt, Germany

Informazioni sulla sicurezza

• Pittogrammi: GHS02,GHS07,GHS08
• Avvertenze: Danger
• Indicazioni di pericolo: H226 - H304 - H312 + H332 - H315 - H319 - H335 - H373 - H412
• Consigli di prudenza: P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331
• Classi di pericolo: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
• Organi bersaglio: Respiratory system
• Codice della classe di stoccaggio: 3 - Flammable liquids
• Classe di pericolosità dell'acqua (WGK): WGK 2
• Punto d’infiammabilità (°F): 77.0 °F
• Punto d’infiammabilità (°C): 25 °C