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Determination of Organic Acids, Carbohydrates, ａnd

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公司名稱 上海宸喬生物科技有限公司
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Polymer Phases (Organic Ion Exchangers)

In addition to our range of silicagels we are offering sulfonated styrene-divinyl resins (GROM Polymer Phases) for the analysis of organic acids, carbohydrates, und sugar alcohols. The resins are available in the H-form (H⁺IEX), sodium-form (Na⁺IEX), Calcium-form (Ca⁺⁺IEX), and in the lead-form (Pb⁺⁺IEX).

For the polymeric columns up to 40% acetonitrile, 30% ethanol, or 5% isopropanol are used as organic eluents. Methanol should not be applied.

Organic columns should be washed for some hours with acetonitrile/water (30/70). Contaminations by metal ions are removed for the calcium-form column with a solution of 0.1 M calcium nitrate, for the H⁺-form column with 0.1 M sulfuric acid. The storage of the columns is done under water or under 0.1 M sulfuric acid, respectively.

Maximum operation pressure: 100 bar

Maximum operation temperature: 90 °C and 85 °C, respectively

Examples of
AnalyzedSubstances

Analyzed in Application
(POL = POLYMER)

Examples of
AnalyzedSubstances

Analyzed in Application
(POL = POLYMER)

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Acetic acid

POL1

Malic acid

POL1

Arabinose

POL2

Mannitol

POL4

POL1

iso-Butanol

POL2

Mannose

POL4

n-Butanol

POL2

Methanol

POL2

Citric acid

POL1

Oxalic acid

POL1

Ethanol

POL2, POL3

iso-Propanol

POL2

POL3

Ethylene glycol

POL2

n-Propanol

POL2

Formic acid

POL1

Raffinose

POL2

POL4

Fructose

POL2, POL3

Ribitol

POL4

Galactose

POL3

Saccharose

POL2, POL3

Glucose

POL2, POL3, POL4

Sorbitol

POL3, POL4

Glycerol

POL2

Succinic acid

POL1

COLUMNS and PRICES (€/piece)
	Column sizes (mm)
	250 x 8	250 x 4,6
GROM-RESIN H⁺IEX	912.00	684.00
GROM-RESIN Ca⁺⁺IEX	912.00	684.00

Prices are valid in the European Union and Switzerland. All prices are subject to confirmation and are to be understood for delivery ex works. The prices are subject to change without notice.

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