Puretest glass serological measuring pipettes provide clear bidirectional graduations and low liquid adhesion for measured transfer from 1 mL to 100 mL. Color-coded rings simplify capacity identification, while sterile and non-sterile supply options support research, teaching and validated laboratory workflows.
The transparent glass tube carries a permanent bidirectional scale, a color-coded upper ring and a tapered delivery end. The straight barrel supports accurate meniscus alignment. Filter-plug and packaging configurations depend on the selected SKU and must be confirmed before ordering.
| Attribute | Specification |
|---|---|
| Available capacities | 1, 2, 5, 10, 25, 50 and 100 mL |
| Material | Transparent laboratory glass; exact glass grade confirmed for quoted SKU |
| Scale | Bidirectional graduated scale |
| Identification | Capacity-specific color ring |
| Delivery end | Tapered measuring-pipette tip |
| Sterility | Gamma-sterilized or non-sterile options, subject to SKU |
| Cleanliness | Applicable DNase/RNase, pyrogen/endotoxin claims confirmed on quotation |
| Packaging | Individual protective pack |
| Use | Laboratory liquid measurement and transfer |
| Workflow | Selection Benefit |
|---|---|
| Analytical reagent transfer | Glass surface and clear scale support visible meniscus reading. |
| Chemistry and formulation | Glass may be preferred where polystyrene compatibility is unsuitable; validate the liquid first. |
| Teaching laboratories | Durable graduations support demonstration of volumetric-transfer technique. |
| Microbiology and research | Sterile configurations support validated aseptic transfer. |
| Sample addition and reduction | Bidirectional scale supports controlled partial dispensing. |
Use with a compatible safety pipette controller or bulb. Confirm controller fit, glass chemical compatibility, calibration convention and whether the workflow requires sterile single use or validated reuse. Inspect for chips or cracks before every use and dispose of damaged glass safely.
Product claims are configuration-specific. Sterility, DNase/RNase status, pyrogen or endotoxin status, cytotoxicity, human-DNA status, irradiation method, shelf life and batch documents must be stated on the quotation for the selected SKU. Buyers should not infer a cleanliness claim from appearance or product-family name alone.
| Volume | Color Code | Reference Packaging |
|---|---|---|
| 1 mL | Yellow | Individual pack; 500/box; 3,000/carton |
| 2 mL | Green | Individual pack; 500/box; 3,000/carton |
| 5 mL | Blue | Individual pack; 500/box; 3,000/carton |
| 10 mL | Orange | Individual pack; 400/box; 1,200/carton |
| 25 mL | Red | Individual pack; 200/box; 600/carton |
| 50 mL | Black | Individual pack; 100/box; 300/carton |
| 100 mL | Confirm quotation | Pack and case quantity confirmed in quotation |
| Format | Available Volumes | Key Advantages | Typical Selection |
|---|---|---|---|
| Plastic serological pipettes | 1, 2, 5, 10, 25, 50 and 100 mL | Lightweight, individually wrapped, color coded, reverse graduations | Aseptic cell-culture and routine liquid transfer |
| Glass measuring pipettes | 1, 2, 5, 10, 25, 50 and 100 mL | Low liquid adhesion, clear permanent scale, reusable or sterile single-use supply options | Measured transfer where glass compatibility is preferred |
Confirm chemical compatibility, calibration convention, sterility, packaging and intended pipette controller before routine use.
| Question | Answer |
|---|---|
| Are these reusable? | Some non-sterile glass configurations may be used in validated reusable workflows. Confirm glass grade, cleaning and calibration requirements. |
| Are sterile versions available? | Yes, subject to the selected capacity and package. Confirm the sterilization method and documents. |
| Why choose glass instead of plastic? | Glass may provide lower liquid adhesion and different chemical compatibility, but the actual reagent must be validated. |
| Do all sizes have the same graduation interval? | No. Graduation intervals depend on capacity and calibration; request the current drawing. |
| Can I use a pipette controller? | Yes when the upper-end dimensions match. Validate with a physical sample. |
| Is 100 mL available? | The family includes a 100 mL option; current packing and availability are confirmed in the quotation. |
Tell Puretest your required glass serological measuring pipettes, annual quantity, destination market, sterility and cleanliness requirements, packaging preference and any target instrument or method. We can prepare a sample plan, current specification sheet and OEM quotation for evaluation.
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