InChI
1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
SMILES string
NC(N)=O
InChI key
XSQUKJJJFZCRTK-UHFFFAOYSA-N
grade
certified reference material
form
crystals
packaging
pkg of 2 g
manufacturer/tradename
NIST®
Quality Level
mp
132-135 °C (lit.)
density
1.335 g/mL at 25 °C (lit.)
application(s)
clinical testing
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General description
Application
用于蛋白质变性以及作为不溶性或变性蛋白的温和增溶剂。可用于从已由 6M 盐酸胍变性的样品(如包涵体)复性蛋白质。可与盐酸胍和二硫苏糖醇 (DTT) 一起用于复性变性蛋白以恢复其天然或活性形式。
Urea Standard reference material (SRM) is certified for calibrating and standardizing microchemical procedures aimed at determining nitrogen in organic matter. Additionally, it serves as a tool for standardizing techniques for nitrogen determination, when carbon and hydrogen are simultaneously analyzed.
Features and Benefits
Available with a certificate documentingnitrogen value determined through a modification of the AOAC micro-Kjeldahlmethod.
Other Notes
Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Nitrogen (N)
See certificate for values and more details at nist.gov/SRM.
Nitrogen (N)
See certificate for values and more details at nist.gov/SRM.
Legal Information
NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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