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Ammonium dihydrogen phosphate, 250 g

From  Carl ROTH
≥99 %, HPLC
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Pack Qty.
Pack.
Ammonium biphosphate, Ammoniumphosphate monobasic
Empirical formula (NH4)H2PO4
Molar mass (M) 115,03 g/mol
Density (D) 1,81 g/cm³
Melting point (mp) 197 °C
WGK 1
CAS No. 7722-76-1
EG-Nr. 231-764-5


Our salts in HPLC grade are excellent for use as buffers in HPLC analysis, with absorption tested at various wavelengths for all salts. Buffer solutions prepared from these are typically utilized in reverse-phase high-performance liquid chromatography (RP-HPLC) when the sample forms acidic (oxonium ions (H3O+)) or basic (hydroxide ions (OH)) groups. Buffers mitigate the impact of oxonium and hydroxide ions, thus reducing pH fluctuations.
Product details

€87.90/Pack Qty. 

excl. VAT. | 250 g per Pack Qty.

Art. No. 256T.2

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from 6 Pack Qty. €83.50/Pack Qty.
from 24 Pack Qty. €79.11/Pack Qty.
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Product details


Our salts in HPLC grade are excellent for use as buffers in HPLC analysis, with absorption tested at various wavelengths for all salts. Buffer solutions prepared from these are typically utilized in reverse-phase high-performance liquid chromatography (RP-HPLC) when the sample forms acidic (oxonium ions (H3O+)) or basic (hydroxide ions (OH)) groups. Buffers mitigate the impact of oxonium and hydroxide ions, thus reducing pH fluctuations.



Ammonium dihydrogen phosphate ≥99 %, HPLC

Ammonium dihydrogen phosphate
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Art. No. Pack Qty. Pack. Price Quantity
256T.1 50 g plastic

€35.90

256T.2 250 g plastic

€87.90

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General information

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Certificates of Analysis

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The following analysis certificates have been found:

Type analysis

Assay≥99 %
Chloride (Cl)≤0.0005 %
Sulphate (SO4)≤0.005 %
Potassium (K)≤0.005 %
Sodium (Na)≤0.005 %
Solubility (10 % in H2O)clear, colourless
pH (5 % in H2O)4.0-4.4
Absorbance
260 nm≤0.05
280 nm≤0.05