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TRIS, 1 kg

PUFFERAN® ≥99,9 %, p.a.
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Tris-(hydroxymethyl)-amino methane
Empirical formula C4H11NO3
Molar mass (M) 121,14 g/mol
Density (D) 1,32 g/cm³
Boiling point (bp) 288 °C
Melting point (mp) 169 °C
WGK 1
CAS No. [77-86-1]
EG-Nr. 201-064-4

For sensitive assays in molecular biology and cytology.

Purest quality for extremely high demands, with in-depth trace element analysis. Extremely low heavy ...
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Guarantee analysis
€89.50 /Pack Qty.

€66.90/Pack Qty.  Campaign price!

excl. VAT. | 1 kg per Pack Qty.

Art. No. 4855.2

Available from stock Karlsruhe
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Product details



TRIS PUFFERAN® ≥99,9 %, p.a.

Purest quality for extremely high demands, with in-depth trace element analysis. Extremely low heavy metal content and low UV-absorption.



Technical Information
pH range 7.5 to 9.0 
Buffer reagent Tris(hydroxymethyl)-aminomethane 
TRIS
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Order No. Pack Qty. Pack. Price Quantity
4855.1 500 g plastic €37.40
4855.2 1 kg plastic €66.90
4855.3 5 kg plastic €269.25
4855.4 10 kg plastic €528.75
4855.5 2.5 kg plastic €138.75
4855.7 25 kg plastic €1,094.00
Available from stock Karlsruhe
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Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Assay (dry substance)≥99,9 %  
In H2O insoluble matter≤0,005 %  
pH-value (5 % solution)10,0-11,5  
Melting point168-172 °C  
Water≤0,5 %  
Sulphated ash≤0,1 %  
Sulphate (SO4)≤0,001 %  
Arsenic (As)≤0,0001 %  
Lead (Pb)≤0,00005 %  
Cadmium (Cd)≤0,00005 %  
Iron (Fe)≤0,00005 %  
Copper (Cu)≤0,00005 %  
Zinc (Zn)≤0,00005 %  
Absorbance
260 nm≤0,03  
280 nm≤0,02  
430 nm≤0,004  

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