18789

Pullulan Standard

certified reference material, certified according to DIN, for GPC, 800,000

• EC Number: 232-945-1
• UNSPSC Code: 41116107
• E Number: E1204
• NACRES: NA.24

Propiedades

• grade: certified reference material; for GPC
• Quality Level: 100
• shelf life: limited shelf life, expiry date on the label
• mol wt: M_n ~641000; M_p ~710000; M_w ~788000; M_w/M_n ~1.23
• analyte chemical class(es): oligosaccharides
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• storage temp.: 2-8°C

Descripción

General description

Pullulan Standards are mostly used to obtain molecular mass distribution of cellulosic samples. It mainly consists of polymaltotriose units linked together by α-(1→6) linkages.

Application

It may be used in determination of molecular weight of hydrolysate using gel permeation chromatography, in a study performed to investigate enzymatic degradation of chitins and partially deacetlylated chitins.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Información de seguridad

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)