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Quartz reactor tube diam. 18mm

Quartz reactor tube diam. 18mm

Quartz reactor tube for VELP CHNS-O Elemental Analyzer ensuring high visibility of consumables consumption. Single-use only.

Quartz wool, 50 g

Quartz wool, 50 g

Quartz wool to be added in the combustion and reduction reactor tubes. Required also for the preparation of the final water trap before nitrogen detection.

Sample rack DK8-DKL8 test tubes 400ml

Sample rack DK8-DKL8 test tubes 400ml

Sample rack designed to position 400ml Kjeldahl tubes during the digestion process performed with the DK8 and DKL8 system.

Silver foil 35x35 mm, 100 pcs

Silver foil 35x35 mm, 100 pcs

35x35 mm Silver Foils for TOC determination and halogenated samples.

Spacer for test tube Ø48x260 mm

Spacer for test tube Ø48x260 mm

Adapter to accommodate 48x260 mm glass test tubes with a capacity of 300 ml.

Sulphanilic acid certified, 5 gr

Sulphanilic acid certified, 5 gr

Standard to create and check calibration curves of CHNS Elemental Analyzers.

Super-Absorbent Powder, 10 g

Super-Absorbent Powder, 10 g

Super-Absorbent Powder is ideal for sample preparation when analyzing liquid samples as it changes the status of the sample to paste and prevents the overflow of liquid from the tin foil cup.

Test tube Ø48x260 mm, 300 ml

Test tube Ø48x260 mm, 300 ml

Test tubes with a wider diameter (48 mm) compared to standard ones, while maintaining the same 300 ml capacity. It can be used with the VELP digestion and distillation units by employing the appropriate accessories (tube connection and spacer).

Test tube Ø50x300 mm, 400 ml

Test tube Ø50x300 mm, 400 ml

400 ml test tubes designed for Kjeldahl analysis, ideal for handling larger liquid volumes with low nitrogen content. These tubes offer increased capacity while maintaining the same 42 mm upper diameter, ensuring compatibility with standard digestion and distillation systems.

Test tube Ø80x300 mm, 1000ml

Test tube Ø80x300 mm, 1000ml

Designed for the separation of hydrocyanic acid from wastewater samples through distillation. With a 1-liter capacity, these test tubes are used to analyze 200 mL of sample, ensuring reliable and accurate results during the process.

Test tubes Ø26x300 mm, 100 ml 6pcs/box

Test tubes Ø26x300 mm, 100 ml 6pcs/box

Test tubes for Micro-Kjeldahl analysis on small homogeneous samples with high nitrogen/protein content: 10 – 30 mg solid sample, 1 – 3 mL liquid sample.

Test tubes Ø42x300 mm, 250 ml 3pcs/box

Test tubes Ø42x300 mm, 250 ml 3pcs/box

“Standard test tubes” widely used for nitrogen and protein analysis according to the Kjeldahl method. Depending on the expected nitrogen content, optimal sample amounts are usually in the range of 0.1 to 5 g for solid samples, and up to 200 mL for liquid samples.

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