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Sodium chloride, 1 kg

≥99,5 %, p.a., ACS, ISO
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Pack Qty.
Pack.
Common salt
Empirical formula NaCl
Molar mass (M) 58,44 g/mol
Density (D) 2,17 g/cm³
Boiling point (bp) >1450 °C
Melting point (mp) 801 °C
WGK 1
CAS No. [7647-14-5]
EG-Nr. 231-598-3

For freezing mixtures; salting-out soap. For molecular biology.

Carrier for DNA precipitation in SDS-containing solutions.
Product details
Guarantee analysis

€18.85/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. 3957.1

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Sodium chloride ≥99,5 %, p.a., ACS, ISO

Carrier for DNA precipitation in SDS-containing solutions.



Sodium chloride
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3957.1 1 kg plastic €18.85
3957.2 5 kg plastic €68.70
3957.3 500 g plastic €16.70
3957.4 10 kg plastic €105.25
3957.5 25 kg plastic €205.90
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General information

Salts for Analysis

Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.

Definition:
p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation


QuEChERS Products

For pesticide residue analysis in food
Within a few years after its development the QuEChERS method (Quick, Easy, Cheap, Efficient, Rugged, Safe) has gained a leading position for determination of pesticide residues in food samples by GC-MS or LC-MS, allowing rapid and cheap clean-up of strongly matrix-contaminated samples. For optimizing the extraction of pH-dependent compounds, for minimizing decomposition of sensitive substances, and for broadening the matrix spectrum,different modifications of the QuEChERS method have been elaborated.
In addition to the required adsorbent Silica gel 60 diamino a number of individually weighed and premixed buffer and extraction mixtures is offered, specially composed for different sample matrices.
For extraction, the European standard EN 15662 recommends a citrate extraction mix (Mix I), while AOAC standard 2007.1 uses an acetate extraction mix (Mix II). For clean-up, the Diamino phase (PSA) removes, e.g., sugars and organic acids. Magnesium sulfate removes water, C18 ec removes non-polar interferences such as fats and the carbon phase removes pigments, sterols, and non-polar interferences. For selection of the proper clean-up mix see table below.


For attractive offers to complete your chromatography laboratory please see our current Info Brochure - Chromatography!


Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

Assay (arg.)≥99,5 %  
Appearance of solutioncomplies  
pH value (5 % in water)5,0-8,0  
In H2O insoluble matter≤0,005 %  
Chlorate and nitrate (as NO3)≤0,003 %  
Hexacyanoferrate (II) [Fe(CN)6]≤0,0001 %  
Total nitrogen (as N)≤0,001 %  
Phosphate (PO4)≤0,0005 %  
Sulphate (SO4)≤0,002 %  
Bromide (Br)≤0,01 %  
Iodide (I)complies  
Iodide (I)≤0,002 %  
Aluminium (Al)≤0,0002 %  
Arsenic (As)≤0,0001 %  
Barium (Ba)complies  
Barium (Ba)≤0,001 %  
Calcium (Ca)≤0,002 %  
Iron (Fe)≤0,0002 %  
Potassium (K)≤0,005 %  
Copper (Cu)≤0,0002 %  
Magnesium (Mg)≤0,001 %  
Nickel (Ni)≤0,001 %  
Heavy metals (as Pb)≤0,0005 %  
Magnesium, alkaline-earth metals (as Ca)≤0,01 %  
Loss on drying≤0,5 %  

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