Featured category
Laboratory Chemicals
Laboratory reagents, solvents, standards and prepared solutions for professional analytical workflows.
View categoryEUROPEAN SUPPLIER FOR THE EUROPEAN MARKET
Connecting European Brands with Business
Weltnexx connects professional buyers with laboratory chemicals, chemical raw materials, equipment, industrial components and technical products from established European supply channels.
Send the product name or code, quantity, packaging and delivery country for a tailored B2B quotation.
- European supplier network
- Technical document support
- B2B procurement
PRODUCT AREAS
Source by category
Browse our main supply areas and open the relevant category to review available subcategories, products and sourcing support.
Chemical Raw Materials
Specialty chemicals, additives, surfactants, polymers, resins, silicones and industrial raw materials sourced from established European manufacturers.
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Laboratory Equipment
Selected laboratory equipment, instruments and replacement parts sourced through European supply channels.
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Laboratory Consumables
Consumables for sample preparation, analysis, handling and storage.
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Electronic Components
Quotation-based sourcing for selected electronic and industrial components.
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Machinery & Spare Parts
Machinery, replacement components and technical spare parts sourced to specification.
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Medical Equipment
Selected medical equipment and supplies handled as a secondary sourcing category.
View categoryWHY WELTNEXX?
What does Weltnexx do?
We make specialist European sourcing clearer from product identification through quotation and delivery coordination.
Product identification
We clarify the product, grade, packaging and technical requirement.
Supplier verification
We review the European supply route and available commercial conditions.
Documentation support
We coordinate available technical and commercial documentation.
Delivery coordination
We align the quotation and delivery details with your request.
Frequently Sourced
HPLC, UHPLC and LC-MS Solvents
High-purity solvents and reagents for chromatography and mass-spectrometry applications.
Analytical Standards
Reference materials for inorganic and organic analytical methods.
Chemical Raw Materials
Specialty chemicals, additives, surfactants, polymers, resins, silicones and industrial raw materials sourced from established European manufacturers.
Laboratory Equipment
Selected laboratory equipment, instruments and replacement parts sourced through European supply channels.
FEATURED BRANDS
Featured brands
Explore established manufacturers represented across the Weltnexx catalog.
Featured Products
Explore selected Scharlab laboratory chemicals and request a quotation based on your requirements.
Scharlab
Scharlau Water, UHPLC-MS
High-purity microfiltered water for UHPLC-MS analysis.
Packaging options2
Scharlab
Scharlau 2-Propanol, LC-MS
High-purity microfiltered 2-propanol for LC-MS analysis.
Packaging options2
Scharlab
Scharlau Ammonium Acetate, Eluent Additive for LC-MS
High-purity ammonium acetate additive for LC-MS eluents.
Packaging options2
Scharlab
Scharlau Formic Acid, Eluent Additive for LC-MS
High-purity formic acid additive for LC-MS eluents.
Packaging options2
Official distributor supportFeatured product
Water, HPLC Gradient Grade
Water, HPLC Gradient Grade is high-purity water for HPLC gradient elution and analytical chemistry applications. According to the official Scharlab specification, chloride is max. 0.00002%, nitrate max. 0.00003%, sulfate and residue on evaporation each max. 0.0001%, and lead max. 0.1 ppm. Maximum gradient-elution absorbance is 0.01 AU at 210 nm and 0.001 AU at 254 nm. The product is microfiltered through 0.22 µm pore-size membranes. Its formula is H₂O, molar mass 18.02 g/mol, and CAS number 7732-18-5.
Read more: Water, HPLC Gradient GradeApplications
Packaging options
SERVICES
Our Services
European product sourcing, procurement support, technical documentation and delivery coordination for professional B2B requirements.
European Product Sourcing
European product sourcing support for professional B2B buyers looking for products, manufacturers and supplier channels across Europe.
Explore serviceProcurement Support
Commercial procurement support for comparing supplier information, quotation details and available product documentation before purchase.
Explore serviceDocumentation Support
Coordination of available product documentation such as technical sheets, safety documents and supplier-provided conformity information.
Explore serviceDelivery Coordination
Delivery coordination support between supplier and buyer for quotation-based European B2B sourcing requests.
Explore serviceHOW IT WORKS
A clear route from requirement to quotation
A simple three-step process keeps product identification, technical review and quotation preparation clear.
- Step 1
Share your requirement
Send the product, brand or catalog number, quantity, packaging and destination.
- Step 2
We verify the supply
We review the product reference, sourcing route, documentation and delivery conditions.
- Step 3
Receive your quotation
You receive a tailored B2B offer with the available commercial and delivery details.
MULTILINGUAL SUPPORT
Multilingual support
We coordinate product and sourcing communication in Turkish, German and English.
Articles
Explore current articles about laboratory chemicals, technical documentation and sourcing products from Europe.
pH Deviations and Overheating When Preparing Dehydrated Culture Media
Use product-specific instructions to assess water, mixing, heating and pH-measurement issues during preparation of dehydrated culture media.
Read article
Culture-Media Lot Acceptance: CoA and Performance Checks
Assess culture-media lots using product identity, CoA, growth support, selectivity and intended use, without treating general certification claims as product evidence.
Read article
Volumetric Solutions: mol/L, Normality and the Titration Factor
Distinguish nominal and actual concentration, reaction-dependent normality and lot-specific factors when reading volumetric-solution labels.
Read articleWELTNEXX IMPORT EXPORT GMBH
A Germany-based sourcing partner for international buyers
Based in Aachen, Weltnexx supports B2B buyers with European product sourcing, supplier communication, quotation checks, technical documentation and delivery coordination.
FAQ
Frequently asked questions
Clear answers about product sourcing and quotation requests.
How does the quotation request process work?
You share the product and requirement details. We assess the requested reference, sourcing options and available documentation, then clarify quotation and delivery terms for your request.
What information is needed for a quote?
Share the product name or code, quantity, packaging and delivery country.
Can you support technical documents?
Available technical and commercial documents are coordinated as part of the request.
Which languages do you support?
Our team can coordinate requests in Turkish, German and English.
Tell us what you need to source
Share the available product details and our team will review the request.