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重要文件

247561

Sigma-Aldrich

柠檬酸铵 二元

ACS reagent, 98%

同義詞:

枸椽酸氢二铵, 柠檬酸 铵盐, 柠檬酸氢二铵

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About This Item

線性公式:
HOC(CO2H)(CH2CO2NH4)2
CAS號碼:
分子量::
226.18
Beilstein:
4925760
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

品質等級

蒸汽密度

1.8 (vs air)

化驗

98%
98.0-103.0% (ACS specification)

形狀

solid

雜質

oxalate, passes test (lim ~0.05%)
≤0.005% insolubles

燃燒殘留物

≤0.01%

pH值

5.2 (20 °C, 50 g/L)

負離子痕跡

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.005%

正離子痕跡

Fe: ≤0.001%
heavy metals: ≤5 ppm (by ICP)

官能基

carboxylic acid
hydroxyl

SMILES 字串

N.N.OC(=O)CC(O)(CC(O)=O)C(O)=O

InChI

1S/C6H8O7.2H3N/c7-3(8)1-6(13,5(11)12)2-4(9)10;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);2*1H3

InChI 密鑰

YXVFQADLFFNVDS-UHFFFAOYSA-N

應用

柠檬酸氢铵可用作合成氮掺杂荧光碳纳米颗粒(CNP)的碳和氮前体,用于开发灵敏的苦味酸检测用选择性传感器。柠檬酸铵溶液还可用于浸出实验,从废印刷电路板 (WPCB)中提取铜纳米颗粒。

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Eye Irrit. 2 - Skin Irrit. 2

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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Voltammetric methods are very suitable, versatile and rapid techniques for simultaneous determination of metals in complex matrices. The present work, determination of Cu(II), Sn(II), Sb(III), Tl(I), and Pb(II) by square-wave anodic-stripping voltammetry and Cr(VI) by square-wave adsorptive-stripping voltammetry, is an

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