Type I Type II Type III Type IV Nuclease-Free PFAS-Free EN ISO 3696 Bespoke

Laboratory Reagent Water

Manufactured to ASTM D1193 specifications with rigorous quality control on every batch. Available in Grades A, B, and C.

ASTM D1193-06 (2018)

Type I — Ultrapure Water

Engineered for the most demanding applications across life sciences, molecular diagnostics, analytical chemistry, and materials research.

  • Resistivity: 18 MΩ
  • Conductivity: 0.0555 μS/cm
  • TOC: ≤50 μg/L
  • Sodium: ≤1 μg/L
  • Chloride: ≤1 μg/L
  • Total Silica: ≤3 μg/L

Applications: HPLC/UPLC, LC-MS/MS, ICP-MS, GC-MS, molecular biology, genomics, cell culture, semiconductor and microelectronics cleaning.

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ASTM D1193

Type II — Analytical Water

Purity for routine and advanced analytical workflows where controlled conductivity and low contamination are essential.

  • Resistivity: 1 MΩ
  • Conductivity: 1 μS/cm
  • TOC: ≤50 μg/L
  • Sodium: ≤5 μg/L
  • Chloride: ≤5 μg/L
  • Total Silica: ≤3 μg/L

Applications: Life sciences, clinical and analytical chemistry, microbiology, materials testing, instrument feedwater.

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ASTM D1193

Type III — General Lab Water

Dependable, cost-effective purity for high-volume and general laboratory operations.

  • Resistivity: 4 MΩ
  • Conductivity: 0.25 μS/cm
  • TOC: ≤200 μg/L
  • Sodium: ≤10 μg/L
  • Chloride: ≤10 μg/L
  • Total Silica: ≤500 μg/L

Applications: Glassware washers, autoclave feedwater, pure steam generators, allied industrial applications.

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ASTM D1193

Type IV — Pre-treated Water

Practical, economical pre-treated water quality for general laboratory and technical operations.

  • Resistivity: 0.2 MΩ
  • Conductivity: 5 μS/cm
  • pH: 5.8
  • Sodium: ≤50 μg/L
  • Chloride: ≤50 μg/L

Applications: Non-critical condensers, cooling circuits, feedwater to RO/deionisation/distillation systems.

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Application-Specific Waters

Purpose-manufactured waters for specialist applications where standard grades may not be suitable.

Molecular Biology

Nuclease-Free Water

Highly purified RNase- and DNase-free water for sensitive nucleic acid applications, with very low ionic and organic contamination.

  • Resistivity: >10 MΩ/cm
  • Conductivity: <0.1 μS/cm
  • TOC: <10 μg/L
  • Endotoxin: <0.25 EU/mL
  • RNase/DNase/Protease: None Detected
  • Sterile, <1 CFU/mL

Applications: PCR, qPCR, RT-qPCR, cDNA synthesis, sequencing, oligonucleotide reconstitution, master mix preparation.

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Environmental

PFAS-Free Water

High-purity reagent grade with no detectable PFAS, specifically intended for trace and ultra-trace determination of per- and polyfluoroalkyl substances.

  • Resistivity: >18 MΩ/cm
  • TOC: <5 μg/L
  • Total PFAS: <5 ng/L
  • Individual PFAS (PFOA, PFOS etc.): <1 ng/L
  • Bacteria: <1 CFU/100mL
  • Endotoxin: <0.03 EU/mL

Applications: Environmental monitoring, water/wastewater testing, food safety, contract analytical labs, governmental/regulatory testing.

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EN ISO 3696:1995

ISO Lab Water Grades 1, 2 & 3

Cost-effective purified water for general laboratory support functions including washing, rinsing and equipment feed.

  • Grade 1: Conductivity ≤0.01 mS/m
  • Grade 2: Conductivity ≤0.1 mS/m
  • Grade 3: Conductivity ≤0.5 mS/m, pH 5–7.5

Applications: Research and teaching labs, clinical support, hospital sterilisation, pharmaceutical QC, food & beverage, and industrial quality control.

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Bespoke Water Formulations

For applications where standardised grades are unsuitable, we design and manufacture custom-formulated purified water to meet your precise specifications.

  • Conductivity ranges tailored to your needs
  • pH-adjusted and buffered solutions
  • Antimicrobial additives
  • Custom volumes and container types
  • Labelled and barcoded to your specification
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Packaging Options

All products available in volumes from 100ml to 27,000 litres. Application-specific cap solutions, non-standard container types, and custom labelling available.

Quality Assured

No chemical additives. Full batch traceability. Manufactured in ISO-certified, purpose-built facilities. Certificates of Analysis provided for every batch. 6-month shelf life when stored correctly.

Need Help Choosing the Right Water?

Our team can advise on the best product for your specific application.

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