# 25 ml pipettes

*/Products/25_ml_pipettes*

Dropping pipettes

## Product Bo M

**Input To**:
- [Liquid Volume Transfer](/Processes/Liquid_Volume_Transfer)
- [Sterilization](/Processes/Sterilization)
**Summary**: A 25-milliliter graduated laboratory pipette: a drawn borosilicate glass barrel printed with a volume scale and tipped for controlled liquid transfer; it is consumed as labware in liquid-handling and analytical workflows.
**Output Of**:
- [Glass Tube Drawing](/Processes/Glass_Tube_Drawing)
**Components**:
- Name: Borosilicate Glass Barrel · Quantity Note: drawn tube forming the body · Required Input: Borosilicate Glass
- Name: Graduation Scale Print · Quantity Note: fired volume markings · Required Input: Ceramic Print Ink
- Name: Cotton Plug · Quantity Note: aspiration guard in serological types · Required Input: 
**Packaged In**:
- [Cardboard Carton](/Products/Cardboard_Carton)
- [Individual Wrapper](/Products/Individual_Wrapper)
**By Product Of**:
- [Glass Cullet](/Products/Glass_Cullet)
**Physical Good**: true
**Produced With**:
- [Glass Drawing Machine](/Products/Glass_Drawing_Machine)
- [Graduation Printing Machine](/Products/Graduation_Printing_Machine)
- [Annealing Lehr](/Products/Annealing_Lehr)
**Consumes To Make**:
- [Borosilicate Glass](/Products/Borosilicate_Glass)
- [Ceramic Print Ink](/Products/Ceramic_Print_Ink)
- [Process Heat](/Products/Process_Heat)
**Has Measurement**:
- [Volume Capacity](/Metrics/Volume_Capacity)
- [Calibration Tolerance](/Metrics/Calibration_Tolerance)
- [Graduation Accuracy](/Metrics/Graduation_Accuracy)

## Neighborhood

### Parent

- [Dropping pipettes](/Products/Dropping_pipettes) — parent · Products

### Siblings

- [1 ml pipettes](/Products/1_ml_pipettes) — siblings · Products
- [10 ml pipettes](/Products/10_ml_pipettes) — siblings · Products
- [Automated pipettes](/Products/Automated_pipettes) — siblings · Products
- [Digital micropipettes](/Products/Digital_micropipettes) — siblings · Products
- [Disposable plastic pipettes](/Products/Disposable_plastic_pipettes) — siblings · Products
- [Glass dropping pipettes](/Products/Glass_dropping_pipettes) — siblings · Products
- [Glass pipettes](/Products/Glass_pipettes) — siblings · Products
- [Gravimetric pipettes](/Products/Gravimetric_pipettes) — siblings · Products
- [Irrigation pipettes](/Products/Irrigation_pipettes) — siblings · Products
- [Laboratory dropping pipettes](/Products/Laboratory_dropping_pipettes) — siblings · Products
- [Micropipettes](/Products/Micropipettes) — siblings · Products
- [Pipettes](/Products/Pipettes) — siblings · Products
- [Pipetting devices](/Products/Pipetting_devices) — siblings · Products

### Input to

- [Fluid Aspiration and Dispensing](/Processes/Fluid_Aspiration_and_Dispensing) — input to · Processes
- [Sterilization](/Processes/Sterilization) — input to · Processes

### By product of

- [Glass waste or scrap](/Products/Glass_waste_or_scrap) — by product of · Products

### Requires input

- [Ceramic Ink](/Products/Ceramic_Ink) — requires input · Products

### Produced with

- [Fusion welding or glass drawing machines](/Products/Fusion_welding_or_glass_drawing_machines) — produced with · Products
- [Annealing Lehr](/Products/Annealing_Lehr) — produced with · Products
- [Graduation Printing Machine](/Products/Graduation_Printing_Machine) — produced with · Products

### Consumes

- [Process Heat](/Products/Process_Heat) — consumes · Products
- [Borosilicate Glass](/Products/Borosilicate_Glass) — consumes · Products

### Measured by

- [Capacity Volume](/Metrics/Capacity_Volume) — measured by · Metrics
- [Graduation Accuracy](/Metrics/Graduation_Accuracy) — measured by · Metrics
- [Calibration Tolerance](/Metrics/Calibration_Tolerance) — measured by · Metrics

### Problems this exposes

- [tip-seal and plunger wear silently degrades accuracy between calibrations](/Problems/tip-seal_and_plunger_wear_silently_degrades_accuracy_between_calibrations) — exposes problem · Problems
- [gravimetric calibration to ISO 8655 must be re-verified on a schedule per pipette](/Problems/gravimetric_calibration_to_ISO_8655_must_be_re-verified_on_a_schedule_per_pipette) — exposes problem · Problems
- [meniscus-reading parallax introduces operator-to-operator volume error](/Problems/meniscus-reading_parallax_introduces_operator-to-operator_volume_error) — exposes problem · Problems

### Output of

- [Glass Tube Drawing](/Processes/Glass_Tube_Drawing) — output of · Processes

### Packaged in

- [Individual Wrapper](/Products/Individual_Wrapper) — packaged in · Products
- [Cardboard Carton](/Products/Cardboard_Carton) — packaged in · Products

### Composed of

- [Cotton Plug](/Products/Cotton_Plug) — composed of · Products
- [Graduation Scale Print](/Products/Graduation_Scale_Print) — composed of · Products
- [Borosilicate Glass Barrel](/Products/Borosilicate_Glass_Barrel) — composed of · Products