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Analytical Standards

Browse our curated selection of Analytical Standards from leading global manufacturers. Find research-grade reagents, certified standards, and specialty supplies backed by Cenmed's expert sourcing and technical support.

  
  • hardened low ash paper, grade 391, 24 cm diameter
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    3910-2400

    Hardened Low Ash Paper, Grade 391, 24 cm diameter

    Price: $418.76
    List Price: $465.29
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-2400
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-333843
    Pack Size 100 PK
    Price:
    Price: $418.76
    List Price: $465.29
    Quantity:
     
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  • hardened low ash paper, grade 391, 27 cm diameter
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    3910-2700

    Hardened Low Ash Paper, Grade 391, 27 cm diameter

    Price: $562.90
    List Price: $625.45
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-2700
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-333881
    Pack Size 100 PK
    Price:
    Price: $562.90
    List Price: $625.45
    Quantity:
     
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  • hardened low ash paper, grade 391, 32 cm diameter
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    3910-3200

    Hardened Low Ash Paper, Grade 391, 32 cm diameter

    Price: $674.65
    List Price: $749.61
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-3200
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-333901
    Pack Size 100 PK
    Price:
    Price: $674.65
    List Price: $749.61
    Quantity:
     
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  • hardened low ash paper, grade 391, 4.25 cm diameter
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    3910-0425

    Hardened Low Ash Paper, Grade 391, 4.25 cm diameter

    Price: $34.58
    List Price: $38.43
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-0425
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-048451
    Pack Size 100 PK
    Price:
    Price: $34.58
    List Price: $38.43
    Quantity:
     
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  • hardened low ash paper, grade 391, 4.7 cm diameter
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    3910-0470

    Hardened Low Ash Paper, Grade 391, 4.7 cm diameter

    Price: $95.63
    List Price: $106.26
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-0470
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-333722
    Pack Size 100 PK
    Price:
    Price: $95.63
    List Price: $106.26
    Quantity:
     
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  • hardened low ash paper, grade 391, 40 cm diameter
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    3910-4000

    Hardened Low Ash Paper, Grade 391, 40 cm diameter

    Price: $989.74
    List Price: $1,099.71
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-4000
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-333925
    Pack Size 100 PK
    Price:
    Price: $989.74
    List Price: $1,099.71
    Quantity:
     
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  • hardened low ash paper, grade 391, 5.5 cm diameter
    Add to Cart The item has been added
    3910-0550

    Hardened Low Ash Paper, Grade 391, 5.5 cm diameter

    Price: $37.11
    List Price: $41.23
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-0550
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-048454
    Pack Size 100 PK
    Price:
    Price: $37.11
    List Price: $41.23
    Quantity:
     
    The item has been added
  • hardened low ash paper, grade 391, 7.0 cm diameter
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    3910-0700

    Hardened Low Ash Paper, Grade 391, 7.0 cm diameter

    Price: $47.75
    List Price: $53.06
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-0700
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-048463
    Pack Size 100 PK
    Price:
    Price: $47.75
    List Price: $53.06
    Quantity:
     
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  • hardened low ash paper, grade 391, 9.0 cm diameter
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    3910-0900

    Hardened Low Ash Paper, Grade 391, 9.0 cm diameter

    Price: $57.35
    List Price: $63.73
    Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.
    SKU3910-0900
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-048475
    Pack Size 100 PK
    Price:
    Price: $57.35
    List Price: $63.73
    Quantity:
     
    The item has been added
  • hardened low ash paper, grade 392, 11 cm diameter
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    3920-1100

    Hardened Low Ash Paper, Grade 392, 11 cm diameter

    Price: $82.28
    List Price: $91.42
    Suitable for routine gravimetric analysis and typical preparation of samples for use in analysis involving instrumental techniques. Low ash grades have intermediate ash content between qualitative grades and ashless grades.
    SKU3920-1100
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-048516
    Pack Size 100 PK
    Price:
    Price: $82.28
    List Price: $91.42
    Quantity:
     
    The item has been added
  • hardened low ash paper, grade 392, 12.5 cm diameter
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    3920-1250

    Hardened Low Ash Paper, Grade 392, 12.5 cm diameter

    Price: $169.25
    List Price: $188.06
    Suitable for routine gravimetric analysis and typical preparation of samples for use in analysis involving instrumental techniques. Low ash grades have intermediate ash content between qualitative grades and ashless grades.
    SKU3920-1250
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-333756
    Pack Size 100 PK
    Price:
    Price: $169.25
    List Price: $188.06
    Quantity:
     
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  • hardened low ash paper, grade 392, 15 cm diameter
    Add to Cart The item has been added
    3920-1500

    Hardened Low Ash Paper, Grade 392, 15 cm diameter

    Price: $105.23
    List Price: $116.92
    Suitable for routine gravimetric analysis and typical preparation of samples for use in analysis involving instrumental techniques. Low ash grades have intermediate ash content between qualitative grades and ashless grades.
    SKU3920-1500
    MFR. NameAHLSTROM MUNKSJO FILTRATION
    Catalog No. C003B-048541
    Pack Size 100 PK
    Price:
    Price: $105.23
    List Price: $116.92
    Quantity:
     
    The item has been added

About Analytical Standards

Cenmed Enterprises provides a comprehensive selection of Analytical Standards products sourced from leading global manufacturers. Our catalog spans research-grade reagents, certified standards, and specialty compounds used across clinical, academic, and industrial laboratories worldwide.

With decades of expertise in laboratory supply distribution, we offer competitive pricing, reliable stock availability, and dedicated technical support. Whether you need small quantities for research or bulk orders for manufacturing, our team is ready to assist with sourcing, compliance documentation, and logistics.

Frequently Asked Questions

  • What documentation is provided with orders?

    All orders include a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and a packing slip. Additional regulatory or compliance documentation can be requested at the time of order for products requiring special handling or import/export certification.

  • What is the minimum order quantity?

    Minimum order quantities vary by product and are listed on each product page. For bulk or custom quantity orders, please contact our sales team at 732-447-1100 or request a quote online for custom pricing.

  • How long does shipping take?

    Standard orders ship within 1–3 business days from our New Jersey distribution center. Expedited and international shipping options are available. Hazardous materials ship in compliance with IATA/DOT regulations and may require additional lead time.

  • Can I return a product?

    We accept returns on non-hazardous, unopened products within 30 days of delivery. Controlled substances, refrigerated items, and custom orders are non-returnable. To initiate a return, please complete the return request form and submit it to our customer service team for approval. Returns will be processed once your request has been reviewed and authorized.

  • Do you offer volume discounts?

    Yes. Volume pricing is available for most products in our catalog. Contact our sales team or use the "Request a Quote" feature to get custom pricing for your organization based on your annual purchase volume and specific product needs.