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HEPES, 100 g

PUFFERAN® ≥99,5 %, p.a.
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N-2-Hydroxyethylpiperazine-N'-2-ethane sulphonic acid, Good's buffer
Empirical formula C8H18N2O4S
Molar mass (M) 238,31 g/mol
Flash point (flp) 124 °C
Melting point (mp) 212,6 °C
WGK 1
CAS No. [7365-45-9]
EG-Nr. 230-907-9

For biochemistry and molecular biology.

Application examples:
Product details
Guarantee analysis

€35.40/Pack Qty. 

excl. VAT. | 100 g per Pack Qty.

Art. No. 9105.2

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from 6 Pack Qty. €33.63/Pack Qty.
from 24 Pack Qty. €31.86/Pack Qty.
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Product details



HEPES PUFFERAN® ≥99,5 %, p.a.

Application examples:
  • Reduction of clotting time during analysis of factors V and VIII, during APTT and PT tests and during thrombin mediated clotting in plasma
  • Ideal for gel filtration of thrombocytes from human blood
  • For routine analysis of enteroviruses
  • Reagent in plasma urea determination

Buffer reagent according to Good. High buffer capacity at physiological pH-values.



HEPES
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Order No. Pack Qty. Pack. Price Quantity
9105.1 250 g plastic €74.20
9105.2 100 g plastic €35.40
9105.3 1 kg plastic €240.70
9105.4 500 g plastic €137.50
9105.5 5 kg plastic €901.95
9105.6 2.5 kg plastic €478.40
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Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Assay (titr.)≥99,5 %  
Solubility (0,1 M in H2O)clear, complete  
pH value (5 % in H2O)5,0-6,0  
Sulphated ash≤0,1 %  
Loss of drying (140 °C, 30 min)≤0,2 %  
Chloride (Cl)≤0,005 %  
Phosphate (PO4)≤0,01 %  
Sulphate (SO4)≤0,01 %  
Lead (Pb)≤0,0005 %  
Cadmium (Cd)≤0,0005 %  
Calcium (Ca)≤0,05 %  
Iron (Fe)≤0,0005 %  
Copper (Cu)≤0,0005 %  
Magnesium (Mg)≤0,0005 %  
Nickel (Ni)≤0,005 %  
Heavy metals (as Pb)≤0,0005 %  
Absorbance
260 nm≤0,05  
280 nm≤0,04  
405 nm≤0,03  

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