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DENWAT

纯水密度标准物质RM, 0.9982 g/mL(20 °C)

UKAS ISO/IEC17025 and ISO Guide 34 certified, density: 0.9982 g/mL at 20 °C, density: 0.9970 g/mL at 25 °C

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别名:
水
线性分子式:
H2O
CAS号:
7732-18-5
分子量:
18.02
Beilstein:
2050024
EC 号:
231-791-2
MDL编号:
MFCD00011332
PubChem化学物质编号:
329798917
NACRES:
NA.24

等级

certified reference material

质量水平

100

Agency

according to ASTM® D1480

保质期

limited shelf life, expiry date on the label

manufacturer/tradename

Paragon Scientific Ltd

折射率

n20/D 1.34 (lit.)

bp

100 °C (lit.)

mp

0 °C (lit.)

密度

0.9982 g/mL at 20 °C
0.9970 g/mL at 25 °C
1.000 g/mL at 3.98 °C (lit.)

application(s)

cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
industrial qc
personal care
petroleum

格式

mixture

SMILES string

O

InChI

1S/H2O/h1H2

InChI key

XLYOFNOQVPJJNP-UHFFFAOYSA-N

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相关类别

一般描述

请注意，本页所示数值均为标称值。当前批次所有Paragon密度标准品的所有验证数据都可以Paragon Scientific网页上找到
该产品是认证参考物质(CRM)，符合国际BS EN ISO / IEC 17025标准认证

应用

纯水密度CRM标准品主要用于密度测量设备的校准。虽然常用于数字密度计验证，但并不限于此用途。

特点和优势

  • 由UKAS ISO 17025和ISO 17034认可实验室生产和验证
  • 相关不确定度+/- 0.01%
  • 认证密度值符合ASTM D1480要求
  • 防窃启包装保证运送安全
  • 符合ASTM D1193标准的2级(Type II)试剂水定义
  • 附带分析证书(CoA)，提供有关有效期和储存条件的信息，便于有效审计

法律信息

ASTM is a registered trademark of American Society for Testing and Materials

储存分类代码

10 - Combustible liquids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

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Boris Nowka et al.
Applied and environmental microbiology, 81(2), 745-753 (2014-11-16)
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
Mary A Rodgers et al.
The Journal of experimental medicine, 211(7), 1333-1347 (2014-06-25)
Linear ubiquitination is a newly discovered posttranslational modification that is currently restricted to a small number of known protein substrates. The linear ubiquitination assembly complex (LUBAC), consisting of HOIL-1L, HOIP, and Sharpin, has been reported to activate NF-κB-mediated transcription in
M Lieveld et al.
Virchows Archiv : an international journal of pathology, 465(6), 703-713 (2014-10-12)
Giant cell tumor of bone (GCTB) displays worrisome clinical features such as local recurrence and occasionally metastatic disease which are unpredictable by morphology. Additional routinely usable biomarkers do not exist. Gene expression profiles of six clinically defined groups of GCTB
Rachele M Pojednic et al.
Calcified tissue international, 96(3), 256-263 (2014-12-07)
Vitamin D receptor (VDR) expression and action in non-human skeletal muscle have recently been reported in several studies, yet data on the activity and expression of VDR in human muscle cells are scarce. We conducted a series of studies to
Katrin Linke et al.
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
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