추천 제품
vapor density
1.34 (vs air)
Quality Level
동위원소 순도
98 atom % 15N
분석
99% (CP)
양식
gas
질량 이동
M+2
저장 온도
room temp
SMILES string
[15N]#[15N]
InChI
1S/N2/c1-2/i1+1,2+1
InChI key
IJGRMHOSHXDMSA-ZDOIIHCHSA-N
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관련 카테고리
애플리케이션
Nitrogen-15N2 (15N Labeled nitrogen) can be used:
- In nitrogen fixation experiments to monitor the resulting metabolites in an organism.
- 15N2 pulse-chase experiments to understand the route of transport of fixed nitrogen from the nodule to the shoot in plants.
- To quantify biological N2 production in agricultural soil.
포장
250 mL and 500 mL quantities are packaged in a 25 mL Sure/Pac™ cylinder with brass 1/4" male NPT valve. Nominal gas pressures at 21ºC are 135 psig for 250 mL and 275 psig for 500 mL.
Quantities of 1 L and 5 L are packaged in a 450 mL carbon steel lecture bottle with brass CGA 110/180 valve. Nominal gas pressures at 21ºC are 20 psig for I L and 155 psig for 5 L.
Cylinder pressures are slightly above atmospheric pressure. Care must be taken when extracting this product from the cylinder.
Quantities of 1 L and 5 L are packaged in a 450 mL carbon steel lecture bottle with brass CGA 110/180 valve. Nominal gas pressures at 21ºC are 20 psig for I L and 155 psig for 5 L.
Cylinder pressures are slightly above atmospheric pressure. Care must be taken when extracting this product from the cylinder.
All gas volumes are quoted at Standard Temperature and Pressure (STP) and not at Normal Temperature and Pressure (NTP). One STP Liter is 7.7% more gas than one NTP Liter.
This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.
추천 제품
PTFE sealing washers GCA inlet size 180 Z146994
PTFE sealing washers CGA inlet size 110 Z146986
Mini gas regulator, brass body, appropriate for 250 ML and 500 ML pack sizes Z513539
Non-corrosive lecture-bottle gas regulator, CGA inlet size 180, appropriate for 1L and 5L pack sizes Z146706
PTFE sealing washers CGA inlet size 110 Z146986
Mini gas regulator, brass body, appropriate for 250 ML and 500 ML pack sizes Z513539
Non-corrosive lecture-bottle gas regulator, CGA inlet size 180, appropriate for 1L and 5L pack sizes Z146706
법적 정보
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
신호어
Warning
유해 및 위험 성명서
예방조치 성명서
Hazard Classifications
Press. Gas Compr. Gas
Storage Class Code
2A - Gases
WGK
nwg
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
이미 열람한 고객
Producing and dispensing small quantities of 15N2 gas at atmospheric pressure
Analytical biochemistry, 352(2), 302-304 (2006)
In situ quantification of biological N2 production using naturally occurring 15N15N
Environmental Science & Technology, 53(9), 5168-5175 (2019)
Quantitative analysis of the initial transport of fixed nitrogen in nodulated soybean plants using 15N as a tracer
Soil Science and Plant Nutrition, 59(6), 888-895 (2013)
Nature microbiology, 5(2), 314-330 (2019-12-18)
Legumes obtain nitrogen from air through rhizobia residing in root nodules. Some species of rhizobia can colonize cereals but do not fix nitrogen on them. Disabling native regulation can turn on nitrogenase expression, even in the presence of nitrogenous fertilizer
The ISME journal, 13(8), 1960-1974 (2019-03-27)
Ammonium is a central nutrient in aquatic systems. Yet, cell-specific ammonium assimilation among diverse functional plankton is poorly documented in field communities. Combining stable-isotope incubations (15N-ammonium, 15N2 and 13C-bicarbonate) with secondary-ion mass spectrometry, we quantified bulk ammonium dynamics, N2-fixation and
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