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Merck
CN

73594

乙酸铵

LiChropur, eluent additive for LC-MS

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关于此项目

线性分子式:
CH3CO2NH4
化学文摘社编号:
分子量:
77.08
NACRES:
NB.21
PubChem Substance ID:
eCl@ss:
39021908
UNSPSC Code:
41115710
EC Number:
211-162-9
MDL number:
Beilstein/REAXYS Number:
4186741
Assay:
≥99.0% (calc. on dry substance, T)
Form:
solid
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Quality Level

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

reg. compliance

suitable for FDA C-010.02

product line

LiChropur

assay

≥99.0% (calc. on dry substance, T)

form

solid

quality

LiChropur

technique(s)

LC/MS: suitable

impurities

insoluble matter, passes filter test, ≤1% water

ign. residue

≤0.01% (as SO4)

pH

6.2-7.5 (25 °C, 1 M in H2O)

mp

110-112 °C (dec.) (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤5 mg/kg, nitrate (NO3-): ≤10 mg/kg, sulfate (SO42-): ≤10 mg/kg

SMILES string

N.CC(O)=O

cation traces

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

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.015, λ: 280 nm Amax: ≤0.010

suitability

passes test for LC-MS

application(s)

PFAS testing

InChI

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

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

General description

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。

Application

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。

Legal Information

ASTM is a registered trademark of American Society for Testing and Materials
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany


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存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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实验方案

Separation of various acids and compounds by molecular weight: PAA, PEI, PIDADMACl, PAS, cationic dextran, chitosan

Separation of Pyridoxine Hydrochloride (B6), analytical standard; Thiamine Hydrochloride (B1), analytical standard

HPLC Analysis of Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)

商品

For use as a marker in SDS-PAGE; Albumin from chicken egg white, For use as a marker in SDS-PAGE; L-Lactic Dehydrogenase from rabbit muscle, Type XI, lyophilized powder, 600-1,200 units/mg protein

This study is aimed at developing and validating an LC-ESI-ion trap-MS/MS method for identification and quantification of ethyl glucuronide (EtG) and ethyl sulfate (EtS) as ethanol biomarkers for urine analysis.

This study demonstrates the impact of various mobile phase modifiers on the separation; formate modifiers outperform acetate in terms of MS signals (or sensitivity) and chromatographic resolution.

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PFAS,也被称为“永久化学物质”,会在环境中永久性存在,威胁人类健康。我们提供PFAS定量的环境监测工具,助力研究人员、监管人员和实验室的PFAS检测。


Dale L. Perry
Handbook of Inorganic Compounds, 17-17 (1995)
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.
Van De Steene JC, Lambert WE.
Journal of the American Society For Mass Spectrometry, 19(5), 713-718 (2008)



全球贸易项目编号

货号GTIN
73594-25G-F04061835570706
73594-100G-F04061832875125