所有图片(2)

294993

Sigma-Aldrich

greener alternative

anhydrous, ≥99.98%

线性分子式:
NH3
CAS号:
分子量:
17.03
Beilstein:
3587154
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

质量水平

200

等级

anhydrous

蒸汽密度

0.6 (vs air)

蒸汽压

8.75 atm ( 21 °C)

测定

≥99.98%

形式

liquefied gas

自燃温度

1203 °F

expl. lim.

25 %

环保替代产品特性

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

pH

~10-12 (20 °C, 50 g/L)

pKa (25 °C)

9.25

bp

−33 °C (lit.)

mp

−78 °C (lit.)

溶解性

water: 531 g/L at 20 °C

密度

0.7 g/cm3 at -33 °C

环保替代产品分类

Enabling

SMILES string

N

InChI

1S/H3N/h1H3

InChI key

QGZKDVFQNNGYKY-UHFFFAOYSA-N

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一般描述

我们致力于为您提供更环保的替代产品,以符合“绿色化学的12项原则”的一项或多项原则要求。该产品为增强型,提高了能源效率。点击此处,查看更多详情。

应用

氨气可以用来为燃烧制备混合磁体矿-赤铁矿纳米颗粒调节pH的碱。这些纳米颗粒是很有前途的潜在吸收剂,可以从水中移除重金属离子。
无水氨气在动态反应细胞技术(DRC)中被用来去除干扰离子,而不会丧失灵敏度。它还可以用来为燃烧制备混合磁体矿-赤铁矿混合物调节pH。
TiN化学气相沉淀试剂。

包装

170 g in steel cylinder

其他说明

对于294993-230G-EU包装:500ml铝缸配有不锈钢阀门。

推荐产品

  • 对于294993-170G: 使用Z148504或Z148512 CGA 180调节器,或Z146943 CGA 110阀,和Z147095 CGA 110到CGA 180接头和Z146986洗涤器.
  • 对于294993-230G-EU: 出口配件: DIN 477-1 no.1,Z742162或Z742164是推荐调节剂。

警示用语:

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Press. Gas Liquefied gas - Skin Corr. 1B

补充剂危害

Storage Class Code

2A - Gases

WGK

WGK 2

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

Faceshields, Gloves, Goggles, multi-purpose combination respirator cartridge (US)

分析证书

原产地证书 (CofO)

Serum copper, zinc, and iron levels, and markers of carbohydrate metabolism in postmenopausal women with prediabetes and type 2 diabetes mellitus.
Skalnaya MG, et al.
Journal of Trace Elements in Medicine and Biology, 43, 46-51 (2017)
Magnetite?hematite nanoparticles prepared by green methods for heavy metal ions removal from water.
Ahmed MA, et al.
Materials Science and Engineering, B, 178(10), 744-751 (2013)
Weiller, B.H.
Journal of the American Chemical Society, 118, 4975-4975 (1996)
Assessment of serum trace elements and electrolytes in children with childhood and atypical autism.
Skalny AV, et al.
Journal of Trace Elements in Medicine and Biology, 43, 9-14 (2017)
Marion Vallet et al.
Kidney international, 88(1), 137-145 (2015-03-12)
Recent studies suggest that alkalinizing treatments improve the course of chronic kidney disease (CKD), even in patients without overt metabolic acidosis. Here, we tested whether a decreased ability in excreting urinary acid rather than overt metabolic acidosis may be deleterious...

技术文章

Molecular Layer Deposition of Organic and Hybrid Organic-Inorganic Polymers

Atomic layer deposition (ALD) techniques have emerged in the last ten years to meet various needs including semiconductor device miniaturization, conformal deposition on porous structures and coating of nanoparticles. ALD is based on two sequential self-limiting surface reactions.

相关内容

有机和有机无机杂化聚合物的分子层沉积

近十年来出现了原子层沉积(ALD)技术以满足各种需求,包括半导体器件小型化、多孔结构上的保形沉积和纳米颗粒涂层。ALD基于两个相继的自限性表面反应。

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