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Merck
CN

1.08087

四水合酒石酸钾钠

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

别名:

四水合酒石酸钾钠

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关于此项目

经验公式(希尔记法):
C4H4KNaO6 · 4H2O
化学文摘社编号:
分子量:
282.22
UNSPSC Code:
12352107
EC Index Number:
206-156-8
NACRES:
NA.21
MDL number:
Assay:
99.0-102.0% (alkalimetric)
Grade:
ACS reagent
Form:
solid
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产品名称

四水合酒石酸钾钠, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Quality Level

SMILES string

[K+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C(=O)[O-].O.O.O.O

InChI

1S/C4H6O6.K.Na.4H2O/c5-1(3(7)8)2(6)4(9)10;;;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;4*1H2/q;2*+1;;;;/p-2/t1-,2-;;;;;;/m1....../s1

InChI key

VZOPRCCTKLAGPN-ZFJVMAEJSA-L

grade

ACS reagent

agency

reag. ISO
reag. Ph. Eur.
suitable for SM 4500 - NH3

product line

EMSURE®

assay

99.0-102.0% (alkalimetric)

form

solid

impurities

≤0.005% Insoluble matter

pH

7.0-8.5 (25 °C, 50 g/L in H2O)

mp

70-80 °C

bulk density

1000 kg/m3

anion traces

chloride (Cl-): ≤0.0005%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.004%
Cu: ≤0.0005%
Fe: ≤0.0005%
NH4+: ≤0.002%
Pb: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

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Analysis Note

含量(碱量滴定):99.0 - 102.0 %
不溶物: ≤ 0.005%
pH值(5 %;水; 25 °C):7.0 - 8.5
氯(Cl): ≤ 0.0005 %
磷酸盐(PO₄): ≤ 0.001 %
硫酸盐(SO₄): ≤ 0.005 %
重金属(以铅计): ≤ 0.0005 %
Ca(钙): ≤ 0.004 %
Cu(铜): ≤ 0.0005 %
Fe(铁): ≤ 0.0005 %
NH₄(铵): ≤ 0.002 %
Pb(铅): ≤ 0.0005 %
对应 ACSPh Eur

Other Notes

替代品:PX1590;PX1590-1;PX1590-2;PX1590-5;PX1590-11;

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Application

Potassium sodium tartrate tetrahydrate can be used as a:
  • Reducing agent in the preparation of monodispersed gold nanoparticles.
  • Key component in the preparation of Fehling′s solution, which is used to distinguish between reducing and non-reducing sugars.
  • Chelating agent to prepare Co-Ni-P/Pd-Al2O3 catalyst through electroless deposition method.

存储类别

11 - Combustible Solids

wgk

WGK 1


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实验方案

The article describes the sample preparation and photometric determination of silver concentration in water samples using Spectroquant® photometers and test kits.

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