DENWAT3
Pure Water Density Standard
UKAS ISO/IEC17025 and ISO Guide 34 certified, density: 0.9982 g/mL at 20 °C, density: 0.9970 g/mL at 25 °C
동의어(들):
Water
로그인조직 및 계약 가격 보기
모든 사진(1)
About This Item
Linear Formula:
H2O
CAS Number:
Molecular Weight:
18.02
Beilstein:
2050024
EC Number:
MDL number:
UNSPSC 코드:
41116107
PubChem Substance ID:
NACRES:
NA.24
추천 제품
Grade
certified reference material
Quality Level
Agency
according to ASTM® D1480
유통기한
limited shelf life, expiry date on the label
제조업체/상표
Paragon Scientific Ltd
refractive index
n20/D 1.34 (lit.)
bp
100 °C (lit.)
mp
0 °C (lit.)
density
0.9982 g/mL at 20 °C
0.9970 g/mL at 25 °C
1.000 g/mL at 3.98 °C (lit.)
응용 분야
cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
industrial qc
personal care
petroleum
형식
mixture
SMILES string
O
InChI
1S/H2O/h1H2
InChI key
XLYOFNOQVPJJNP-UHFFFAOYSA-N
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일반 설명
Please note that the value stated on this page is nominal. All certified values for the current lots of all Paragon Density Standards can be found on the Paragon Scientific webpage
애플리케이션
This pure water density CRM is designed for the calibration of instruments used to measure density. And although typically used, it is not limited to the verification of digital density meters.
특징 및 장점
- Manufactured and verified in an ISO 17025 and ISO 17034 accredited laboratory, as per UKAS
- Carries an associated uncertainty of +/- 0.01%
- Certified density value following ASTM D1480
- Provided in a tamper-evident packaging to assure safe delivery
- Meets the definition of Type II in the specification ASTM D1193
- Accompanied with a certificate of analysis (CoA) having information on expiry date and storage conditions for an effective audit
법적 정보
ASTM is a registered trademark of American Society for Testing and Materials
Storage Class Code
10 - Combustible liquids
WGK
nwg
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
가장 최신 버전 중 하나를 선택하세요:
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Nitrification has an immense impact on nitrogen cycling in natural ecosystems and in wastewater treatment plants. Mathematical models function as tools to capture the complexity of these biological systems, but kinetic parameters especially of nitrite-oxidizing bacteria (NOB) are lacking because
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Biochimica et biophysica acta, 1837(1), 14-32 (2013-08-28)
Water is clearly important for the functioning of Photosystem II (PSII). Apart from being the very substrate that needs to be transported in this water oxidation enzyme, water is also vital for the transport of protons to and from the
Liming Zhou et al.
Nature, 509(7498), 86-90 (2014-04-25)
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