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73594

乙酸铵

Name: 乙酸铵
Brand: SIAL

LiChropur^™, eluent additive for LC-MS

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线性分子式:

CH₃CO₂NH₄

CAS号:

631-61-8

分子量:

77.08

Beilstein:

4186741

EC 号:

211-162-9

MDL编号:

MFCD00013066

eCl@ss:

39021908

PubChem化学物质编号:

329765068

NACRES:

NB.21

等级

eluent additive for LC-MS

质量水平

100

Agency

suitable for ASTM^® 7968
suitable for ASTM^® 7979
suitable for DIN 38407-42
suitable for EPA 1633
suitable for EPA 533
suitable for EPA 537.1
suitable for EPA 8327
suitable for EPA ACB B21-02
suitable for EPA ACB B23-05b
suitable for GB 31604.35-2016
suitable for GB 5009.253-2016
suitable for ISO 21675 2019
suitable for ISO 25101
suitable for ISO/CEN 15968-2010

管理合规性

suitable for FDA C-010.02

检测方案

≥99.0% (calc. on dry substance, T)

形式

solid

质量

LiChropur^™

技术

LC/MS: suitable

杂质

insoluble matter, passes filter test
≤1% water

灼烧残渣

≤0.01% (as SO₄)

pH值（酸碱度）

6.2-7.5 (25 °C, 1 M in H₂O)

mp

110-112 °C (dec.) (lit.)

溶解性

H₂O: 1 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl^-): ≤5 mg/kg
nitrate (NO₃^-): ≤10 mg/kg
sulfate (SO₄^2-): ≤10 mg/kg

痕量阳离子

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤5 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤5 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

SMILES字符串

N.CC(O)=O

λ

1 M in H₂O

紫外吸收

λ: 260 nm A_max: ≤0.015
λ: 280 nm A_max: ≤0.010

适用性

passes test for LC-MS

InChI

1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

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一般描述

乙酸铵以白色晶体的形式存在。它时以醋酸和氨为原料制备，经中和至pH 7.0。它被广泛应用于分析化学、医药、纺织染色等领域。

应用

乙酸铵已可用于制备UPLC-MS/MS洗脱液和HPLC-MS/MS洗脱液，以比较9种药物化合物在水环境样品中的基质效应。它还被用作添加剂，以提高MALDI-MS对磷酸肽的检测。

法律信息

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

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

应用

产品编号

说明

价格

G006116

UHPLC/MS Analysis of Heroin and Related Compounds on Titan^™ C18, application for UHPLC

流动相组分

产品编号

说明

价格

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

分析证书(COA)

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示例

T1503

货号

25G

包装规格/数量

其它示例：

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

输入内容 1.000309185)

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索取COA

Dale L. Perry

Handbook of Inorganic Compounds, 17-17 (1995)

Comparison of matrix effects in HPLC-MS/MS and UPLC-MS/MS analysis of nine basic pharmaceuticals in surface waters.

Van De Steene JC, Lambert WE.

Journal of the American Society For Mass Spectrometry, 19(5), 713-718 (2008)

Enhanced detection of phosphopeptides in matrix-assisted laser desorption/ionization mass spectrometry using ammonium salts.

Asara JM, Allison J.

Journal of the American Society For Mass Spectrometry, 10(1), 35-44 (1999)

Enhanced detection of phosphopeptides in matrix-assisted laser desorption/ionization mass spectrometry using ammonium salts.

J M Asara et al.

Journal of the American Society for Mass Spectrometry, 10(1), 35-44 (1999-01-15)

Matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) has been used successfully to detect phosphorylation sites in proteins. Applications may be limited by the low response of phosphopeptides compared to nonphosphorylated peptides in MALDI MS. The addition of ammonium salts to

Comparison of matrix effects in HPLC-MS/MS and UPLC-MS/MS analysis of nine basic pharmaceuticals in surface waters.

Jet C Van De Steene et al.

Journal of the American Society for Mass Spectrometry, 19(5), 713-718 (2008-03-18)

When developing an LC-MS/MS-method matrix effects are a major issue. The effect of co-eluting compounds arising from the matrix can result in signal enhancement or suppression. During method development much attention should be paid to diminishing matrix effects as much

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查看所有结果

Chromatograms

UHPLC/MS Analysis of Heroin and Related Compounds on Titan^™ C18

application for UHPLC

HPLC Analysis of Benalaxyl Enantiomers on Astec CYCLOBOND^™ I 2000 HP-RSP in Reversed Phase Mode

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乙酸铵

LiChropur™, eluent additive for LC-MS

属性

等级