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Merck

71635

Sigma-Aldrich

柠檬酸钠二盐酸盐 倍半水合物

purum p.a., ≥99.0% (T)

别名:

枸橼酸氢二钠 倍半水合物, 柠檬酸 二钠盐

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About This Item

线性分子式:
HOC(COOH)(CH2COONa)2 · 1.5H2O
CAS号:
分子量:
263.11
Beilstein:
3770069
EC號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.21

等級

purum p.a.

品質等級

化驗

≥99.0% (T)

形狀

crystals

pH值

4.6-5.2 (25 °C, 50 mg/mL in H2O)

溶解度

water: soluble 263.1 g/L

負離子痕跡

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

正離子痕跡

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

官能基

carboxylic acid

SMILES 字串

O.O.O.[Na+].[Na+].[Na+].[Na+].OC(=O)CC(O)(CC([O-])=O)C([O-])=O.OC(=O)CC(O)(CC([O-])=O)C([O-])=O

InChI

1S/C6H8O7.2Na.H2O/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);;;1H2/q;2*+1;/p-2

InChI 密鑰

XNZQCYSOYHAYII-UHFFFAOYSA-L

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一般說明

倍半水合枸橼酸钠是一种无色结晶钠盐。

應用

可在以下研究中使用枸橼酸钠倍半水合物:
  • 在 Supel Que 柠檬酸盐 (EN) 管中,通过三重四极杆 GC-QqQ-MS/MS [气相色谱串联质谱法 (GC-MS/MS) 与三重四极杆 (QqQ) 分析仪] 方法定量测定黑加仑中的农药。
  • 分散固相萃取 (dSPE) 法,通常称为 QuEChERS。2
  • RNA 沉淀液的制备。

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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分析证书(COA)

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Edward M Turk et al.
The Journal of biological chemistry, 285(12), 8585-8594 (2010-01-13)
Yeast Suv3p is a member of the DEXH/D box family of RNA helicases and is a critical component of the mitochondrial degradosome, which also includes a 3' --> 5' exonuclease, Dss1p. Defects in the degradosome result in accumulation of aberrant
Stanisław Walorczyk
Talanta, 120, 106-113 (2014-01-29)
A triple quadrupole GC-QqQ-MS/MS method was optimized for multiresidue analysis of over 180 pesticides in blackcurrants. The samples were prepared by using a modified quick, easy, cheap, effective, rugged and safe (QuEChERS) analytical protocol. To reduce matrix co-extractives in the
Mudasir Bhat et al.
Environmental monitoring and assessment, 187(7), 398-398 (2015-06-04)
Dissipation patterns were studied following two applications of difenoconazole (score 25% EC) at 300 and 600 g ai ha(-1) as single and double dose respectively on Golden Delicious and Starkrimson cultivars of apple. Samples were collected at 0, 3, 6
Matthew Edwards et al.
Journal of chromatography. A, 1402, 110-123 (2015-06-02)
Comprehensive two-dimensional gas chromatography (GC×GC) is recognised as a powerful tool for the separation of complex mixtures of volatile and semi-volatile compounds. In the analysis of challenging samples containing highly concentrated, active analytes or those with complicated matrices, it is
Malik Mukhtar et al.
Environmental monitoring and assessment, 187(8), 482-482 (2015-07-02)
The present studies were carried out to observe the dissipation pattern of chlorpyrifos on apple in Kashmir Valley. Persistence of chlorpyrifos in apple was studied following two applications rates of chlorpyrifos (Dursban 20 EC) at 200 g a.i. ha(-1) (single dose

实验方案

AOAC method 2012.13 was applied to the analysis of powdered infant formula for the identification and quantitation of all labeled fatty acids and fatty acid groups.

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