Product data sheet
Diaphragm "Pure Quality"
50 % Caustic Soda
Identification
CASE N°: 1310 – 73 – 2
EINECS N°: 215 – 185 – 5
Diaphragm "Pure Quality" 50 % Caustic Soda is sold as a solution of sodium hydroxide
of which the total alkalinity (expressed in NaOH equivalent) is 49 % minimum.
General Data
• Appearance and odor :
viscous liquid, colorless, odorless
• Density Mass at 20°C :
1510 kg/m3
• Solubility in water at 20°C :
in all proportions
• Solidification temperature :
around 10°C
• Viscosity coefficient at 30°C :
40 mPa.s
Approved: July 2012
Ref: LS50DS, version
www.vencorex.com
Product data sheet
Diaphragm "Pure Quality"
50 % Caustic Soda
Specifications
Determination
Indicative values**
mini
Principle of the analysis
method
Analysis method
reference
50,7%
49%
Potentiometry
LI 0215
14,28 mg/kg
21 mg/kg
7 mg/kg
Spectrocolorimetry
LI 0301
< 110 mg/kg
34 mg/kg
122 mg/kg
5 mg/kg
Potentiometry
LI 0215
< 15 mg/kg
4 mg/kg
10 mg/kg
2 mg/kg
Spectrocolorimetry
LI 0285
Mercury
< 0,1 mg/kg
< 0,1 mg/kg
< 0,1 mg/kg
< 0,1 mg/kg
ICP AES
PX1063
Heavy metal
< 10 mg/kg
1 mg/kg
1.70 mg/kg
0.70 mg/kg
ICP AES
PX1063
NA
0,09%
0,22%
0,05%
Nephelometry
LI 0283
NA
0,25%
0,40%
0,09%
Potentiometry
LI 0287
NA
15,2 mg/kg
17 mg/kg
13 mg/kg
Complexometry
LI 0216
NA
10 mg/kg
10 mg/kg
10 mg/kg
Mohr Salt
LI 0350
NA
1,4 mg/kg
2,2 mg/kg
0,2 mg/kg
Complexometry
LI 0216
NA
5,4 mg/kg
8 mg/kg
4 mg/kg
Spectrocolorimetry
LI 0256
NA
143 mg/kg
205 mg/kg
105 mg/kg
Spectrocolorimetry
LI 0288
Total alkalinity
(equivalent
NaOH in %
solution)
Fe on NaOH
100%
NaCl on NaOH
100%
NH3 on NaOH
100%
Na2SO4 on
NaOH 100%
Na2CO3 on
NaOH 100%
Ca on NaOH
100%
NaC1O3 on
NaOH 100%
Mg on NaOH
100%
Ni on NaOH
100%
SiO2 on NaOH
100%
Contractual
values*
moyenne
maxi
> 49%
49,91%
< 30 mg/kg
* Contractual values guaranteed by Vencorex – NA = Non Applicable
** these values correspond to the average statistical values measured by Vencorex and are given for information
only and are in no way binding for Vencorex
The used analysis methods are available on request.
Vencorex guarantee that manufactured caustic soda is not issued from mercury electrolysis process
Approved: July 2012
Ref: LS50DS, version
www.vencorex.com
Product data sheet
Diaphragm "Pure Quality"
50 % Caustic Soda
Application
Neutralization and exhaust gas cleaning
Water treatment
Intermediary for the paper industry (cellulose)
Agent for the metals treatment
Intermediary for the paints, the ceramics and perfumery
Intermediary for the detergency and cosmetics
Packaging
Two types of rail tank car, either 57 tons, either 68 tons or tank truck of around 26
tons.
Safety – Storage – Handling – Labelling – Transport – Regulations
Please, refer to our Material Safety Data Sheet
warning to users
The information contained in this document is given in good faith and based on our current knowledge. It is only an
indication and is in no way binding, particularly as regards infringement of or prejudice to third parties through the
use of our products. VENCOREX FRANCE SAS guarantees that its products comply with its sales specifications for
values which are guaranteed only. This information must on no account be used as a substitute for necessary prior
tests which alone can ensure that a product i s suitable for a given use. Users are responsible for ensuring
compliance with local legislation and for obtaining the necessary certifications and authorizations.
Users are requested to check that they are in possession of the latest version of the present document and
VENCOREX FRANCE SAS is at their disposal to supply any additional information
Chloralp is a trade mark of VENCOREX
Approved: July 2012
Ref: LS50DS, version
www.vencorex.com