Sample Preparation

P/N: 005PM-076-20

$140.00 USD

Welch Materials has developed Welchrom DNPH Cartridge and Welchrom KI Cartridge for the analysis of 15 aldehyde and ketone compounds in car interiors and environments. The Welchrom DNPH Cartridge u...

P/N: 005PM-067-20

$240.00 USD

P/N: 005PM-070-20

$290.00 USD

P/N: 005PM-075-20

$130.00 USD

Welchrom AgNO3-Silica, 3g/12mL, 20pcs/pk

P/N: 005PM-131-20

$350.00 USD

Welch Materials has developed the Welchrom AgNO3-Silica Cartridge based on the SN/T 4895-2017 standard method. This cartridge offers simple operation, excellent purification efficiency, minimal rea...

Welchrom AgNO3-Silica, 3g/6mL, 30pcs/pk, glass

P/N: 095PM-131-20

$540.00 USD

P/N: 00081-12032

$930.00 USD

Welchrom Protein G HP is one of the specialized pre-treatment cartridge series introduced by Welch Materials, designed for the determination of immunoglobulin G (IgG) in milk and dairy products. Th...

P/N: 005PM-128-20

$1,000.00 USD

Welchrom HepAC is one of Welch's specialized pre-treatment cartridge series, designed for determining the content of lactoferrin in products such as pasteurized milk, formulated milk, and dairy-bas...

P/N: 00541-20007

$60.00 USD

Welch Materials has developed the Welchrom PA Polyamide Cartridge according to the GB 5009.35-2016 standard method. This cartridge is suitable for the determination of six colorants, including Tart...

P/N: 005PM-160-50

$270.00 USD

Welchrom PLR Phospholipid Removal Cartridge is one of the specialized pre-treatment cartridge series introduced by Welch Materials, featuring a novel reverse-phase solid-phase extraction (SPE) adso...

P/N: 005PM-161-30

$190.00 USD

P/N: 005PM-162-50

$300.00 USD

P/N: 005PM-163-100

$260.00 USD

P/N: D876114

$170.00 USD

During the process of ion chromatography analysis, samples often contain impurities such as metal ions or organic compounds. The presence of these impurities can, on one hand, interfere with the de...