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Lab Chemicals

HPLC Buffer Salts – Part 2

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Potassium phosphate dibasic anhydrus

Physical properties :

Physical state at 20° C - Solid

Colour – White crystalline

Odour –Odorless

Melting Point [°C] – >465°C

pH value – 8.8

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Sodium acetate anhydrus

Physical properties :

Physical state at 20° C - Solid

Colour – White coarse

Odour – Slight acetic acid

Melting Point [°C] - >300° C

pH Value – 8.5 – 9.9 at 246 g/l at 25

Density [g//cm3]– 1.528

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sodium dihydrogen orthophosphate anhydrus

Physical properties :

Physical state at 20° C - Solid

Colour – White crystalline

Odour – Odorless

Melting Point [°C] - 190°C

pH Value – 4.1 – 4.5 at 50 g/l at 25 °C

Density [g//cm3]– 2.004

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sodium hydrogen carbonate

Physical properties :

Physical state at 20° C - Solid

Colour – White crystalline

Odour – Odourless

Melting Point [°C] - 300°C

pH value – 8 – 8.5

Density [g//cm3]– 2.16

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sodium phosphate

dibasic

Physical properties :

Physical state at 20° C - Solid

Colour – White crystalline

Odour – Odourless

pH value – 9.1

Solubility in water –[% weight] – soluble in water

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