Zink Test Tube
Single-use test tube for colorimetric zinc detection in water and environmental samples, designed for field-portable analysis without complex instrumentation.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- 1 selectable configurations
- SKU family
- CS-LH-LAB030
- Sizing
- 8.8 x 7.3 x 5.9 cm
- Ordering
- Online checkout and quote request available
- Category
- Water Test Kits
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The Zink Test Tube is a single-use analytical test device designed for zinc detection and quantification in water and environmental samples. This consumable testing solution utilizes colorimetric chemistry principles to provide field-portable zinc analysis capabilities without requiring complex laboratory instrumentation.
The test tube format enables researchers to conduct zinc measurements in field conditions, remote sampling sites, or laboratories with limited analytical infrastructure. Each tube contains pre-loaded reagents that react with zinc ions to produce measurable color changes, allowing for semi-quantitative or quantitative zinc determination depending on the measurement approach used.
How It Works
The test tube contains colorimetric reagents that undergo specific chemical reactions with zinc ions present in the sample. When zinc-containing sample is added to the tube, the metal ions interact with chromogenic compounds to produce a color change proportional to the zinc concentration.
The colorimetric reaction typically involves complexation chemistry where zinc ions bind to organic ligands, forming colored complexes that absorb light at specific wavelengths. The intensity of color development correlates with zinc concentration, allowing for quantitative analysis through visual comparison to color standards or spectrophotometric measurement of the reaction solution.
Sample preparation involves adding a measured volume of test solution to the tube and allowing sufficient reaction time for complete color development. The final color can be evaluated against reference standards for semi-quantitative results or measured with appropriate photometric equipment for precise quantification.
Features & Benefits
Pack Size
- 24-Pack
Weight
- 0.26 kg
Dimensions
- L: 8.8 mm
- W: 7.3 mm
- H: 5.9 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Sample Preparation | Pre-loaded reagents in sealed tubes | Separate reagent preparation and measurement required | Reduces preparation time and eliminates reagent measurement errors. |
| Portability | Single-use tube format for field testing | Laboratory-based analysis with complex instrumentation | Enables on-site analysis without laboratory infrastructure requirements. |
| Equipment Requirements | No additional instrumentation needed | Requires spectrophotometers or atomic absorption equipment | Reduces capital equipment costs and training requirements. |
| Sample Handling | Direct sample addition to test tube | Multiple sample transfer and preparation steps | Minimizes contamination risk and simplifies sample processing workflow. |
The Zink Test Tube provides field-portable zinc analysis through pre-loaded colorimetric chemistry in a sealed tube format, eliminating the need for complex instrumentation or separate reagent preparation.
Practical Tips
Collect samples in clean containers and analyze promptly to minimize potential contamination or sample degradation.
Why: Sample integrity directly affects analytical accuracy and reliability.
Mix samples thoroughly before analysis to ensure representative aliquots for testing.
Why: Proper mixing prevents sampling bias from settled or stratified sample components.
Compare results against known standards or reference materials when possible to verify analytical performance.
Why: Quality control measures help identify potential analytical issues or matrix effects.
Handle test tubes according to standard laboratory safety procedures and dispose of used tubes properly.
Why: Safe handling practices protect personnel and ensure proper waste management.
If color development appears inconsistent, verify sample pH and temperature are within specified ranges.
Why: Reaction conditions can affect colorimetric chemistry and result reproducibility.
Store unopened test tubes according to manufacturer specifications to maintain reagent stability.
Why: Proper storage conditions preserve reagent activity and analytical performance over time.
Setup Guide
What’s in the Box
- Zink Test Tubes with pre-loaded reagents
- Color comparison chart (typical)
- Protocol instructions (typical)
- Storage and handling guidelines (typical)
Warranty
ConductScience provides standard manufacturer warranty coverage with technical support for product performance and application guidance.
Compliance
What is the detection range and sensitivity for zinc analysis?
Specific detection limits and linear range parameters should be consulted in the product datasheet for precise analytical performance specifications.
What sample volume is required for analysis?
Sample volume requirements are specified in the protocol documentation included with the test tubes.
Can the test tubes be used with complex sample matrices?
The PE plastic construction provides chemical resistance, but matrix compatibility and potential interferences should be verified through the technical specifications.
How should the test tubes be stored for maximum shelf life?
Storage conditions for optimal reagent stability are provided in the product documentation and packaging guidelines.
What level of precision can be achieved with colorimetric evaluation?
Precision depends on the evaluation method used - visual comparison provides semi-quantitative results while spectrophotometric measurement enables quantitative analysis.
Are there known interferences with other metal ions?
Potential analytical interferences and selectivity data should be reviewed in the detailed product specifications.
Can results be quantified without additional instrumentation?
Yes, visual comparison against color standards enables semi-quantitative zinc determination without requiring spectrophotometric equipment.
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