If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
1.88050
Water Standard
0.01%, Reference Material for coulometric Karl Fischer Titration 1 g ≙ 0.1 mg H₂O Aquastar®
About This Item
Productos recomendados
Nombre del producto
Water Standard 0.01 %, Reference Material for coulometric Karl Fischer Titration 1 g ≙ 0.1 mg H₂O Aquastar®
grado
reference material
Nivel de calidad
Agency
ISO 17025
presión de vapor
10 hPa ( 20 °C)
Línea del producto
Aquastar®
Formulario
liquid
temp. de autoignición
465 °C
lim. expl.
1.7-7.5 % (v/v)
envase
ampule of 10 × 8 mL
técnicas
Karl-Fischer titration: suitable
titration: suitable
bp
137 °C/1013 hPa
mp
-34 °C (xylene)
temperatura de transición
flash point 25 °C
solubilidad
0.2 g/L
densidad
0.86 g/mL at 20 °C
Formato
single component solution
temp. de almacenamiento
15-25°C
Descripción general
Aplicación
Características y beneficios
- 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
Envase
Nota de análisis
Información legal
Opcional
reactivo
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
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
Órganos de actuación
Respiratory system
Código de clase de almacenamiento
3 - Flammable liquids
Clase de riesgo para el agua (WGK)
WGK 2
Punto de inflamabilidad (°F)
77.0 °F
Punto de inflamabilidad (°C)
25 °C
Certificados de análisis (COA)
Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»
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Methods including internal extraction, external extraction, and Karl Fischer oven ensure accurate water content determination by titration.
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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bonjour, avons nous l'information sur la densité du produits en g/cm3? sur la boite ou sur le CoA? merci ref 1.88050
1 answer-
As stated in the Properties section of the product page, the material has a density of 0.86 g/mL at 20°C.
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