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BUCHI 046072 Set Graduated Glass Tubes Residual Volume R-12 0.3

046072 Buchi Set Of 12 Graduated Glass Tubes R-12 Residual Volume 0.3 Ml Part

( Brand: Buchi ), ( Manufacturer Part Number: 046072 ), ( Part Type: Tube )

Review BUCHI Set Of Graduated Glass Tubes R-12 Residual Volume 0.3 Ml Part

The **Buchi 046072 Set of 12 Graduated Glass Tubes (R-12, Residual Volume 0.3 mL)** is a precision-engineered laboratory tool designed for accurate and reliable gas chromatography and residual volume analysis. Crafted from high-quality borosilicate glass, these tubes exhibit exceptional chemical resistance, thermal stability, and optical clarity, ensuring consistent performance across a wide range of analytical applications. Each tube features a **graduated scale** etched directly onto the glass surface, allowing for precise measurement and volumetric control with minimal parallax error. The **R-12 design** is optimized for compatibility with Buchi s line of gas analyzers, particularly those used in determining residual solvent content in pharmaceuticals, cosmetics, and industrial formulations, where even trace amounts of volatile compounds must be quantified with utmost precision.

The **residual volume of 0.3 mL** is a critical specification, ensuring that the tubes minimize dead space while maintaining sufficient capacity for accurate sample injection and analysis. This low residual volume reduces carryover between samples, enhances sensitivity, and contributes to faster turnaround times in high-throughput laboratories. The tubes are **sealed with PTFE-lined silicone septa**, providing a secure, leak-proof closure that prevents contamination and preserves sample integrity during storage or transport. Their **uniform dimensions and consistent wall thickness** guarantee uniformity in performance, making them ideal for batch processing and comparative studies where reproducibility is paramount.

Beyond their technical specifications, these tubes are engineered for ease of use, featuring a **standardized 12 mm outer diameter** that ensures seamless integration with Buchi s gas chromatography systems, including the **K-3 and K-4 series residual solvent analyzers**. The durable construction, combined with the precision of the etched graduations, allows operators to perform **direct volume measurements** without the need for additional calibration or external tools. Whether used for routine quality control, regulatory compliance testing, or advanced research, this set of 12 tubes delivers the reliability and accuracy demanded by modern analytical laboratories. Their robust design and adherence to pharmaceutical and industrial standards make them a cornerstone of any facility requiring precise residual solvent analysis.

### **Pros and Cons of buying a Buchi 046072 Set of 12 Graduated Glass Tubes (R-12, Residual Volume 0.3 mL)**

#### **Pros:**

1. **Precision and Accuracy** Buchi is a well-known brand in laboratory equipment, particularly for distillation and extraction systems. The graduated glass tubes are designed for accurate volume measurements, which is critical in analytical chemistry, pharmacology, and research applications.

2. **Compatibility with Buchi Systems** This set is specifically engineered to work seamlessly with Buchi s extraction and distillation apparatuses (e.g., the Buchi B-811 or B-812 extractors). This ensures proper fitting, reduced leakage, and optimized performance.

3. **Durability and Quality** Buchi products are generally built to last, with borosilicate glass (likely Type I or II) that resists thermal shock and chemical corrosion. The residual volume of 0.3 mL suggests minimal dead space, which is beneficial for efficient solvent recovery.

4. **Graduated Markings** The tubes are graduated, allowing for precise liquid measurement without additional tools. This is useful for titrations, sample preparation, or when exact volumes are required in experiments.

5. **Easy Cleaning and Maintenance** Glass is non-porous and easy to clean, reducing contamination risks. The design likely allows for thorough rinsing or sonication, extending the tubes lifespan.

6. **Standardized Dimensions** The R-12 designation indicates a standardized size, making them interchangeable with other Buchi components, which simplifies inventory management in labs.

7. **Versatility** These tubes can be used in various applications beyond extraction, such as:

- Sample preparation in chromatography.

- Small-scale distillation or reflux setups.

- Collection of distillates or extracts in controlled volumes.

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#### **Cons:**

1. **Cost** Buchi equipment is premium-priced, and while the tubes themselves may not be extremely expensive, purchasing a full set (12 tubes) could be a significant investment, especially for small labs or individual researchers on a tight budget.

2. **Fragility** Glass tubes, despite being borosilicate, are still prone to breakage if mishandled (e.g., dropped or subjected to thermal stress). This requires careful handling and storage.

3. **Replacement Parts** If a tube cracks or becomes damaged, replacing a single unit may be costly compared to alternative materials (e.g., plastic or metal tubes, though these are less common in high-precision applications).

4. **Maintenance Overhead** Regular cleaning and inspection are necessary to prevent contamination or inaccuracies. Glass tubes may require more frequent replacement than plastic alternatives in high-wear environments.

5. **Limited Availability of Alternatives** If compatibility issues arise (e.g., with non-Buchi systems), finding exact replacements may be difficult, as Buchi-specific parts are not universally interchangeable.

6. **Potential for Condensation Issues** In some extraction processes, condensation inside the tubes could lead to inaccurate volume readings or clogging, requiring additional care during use.

7. **Learning Curve** If the user is unfamiliar with Buchi systems, setting up the tubes correctly (e.g., ensuring proper sealing and alignment) may require initial troubleshooting.

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### **Conclusion**

The **Buchi 046072 Set of 12 Graduated Glass Tubes (R-12, 0.3 mL residual volume)** is a high-quality, precision-engineered component ideal for labs or researchers working with Buchi extraction/distillation systems. Its advantages in accuracy, durability, and compatibility outweigh its drawbacks for users who prioritize performance and reliability in analytical work. However, the cost and fragility may be prohibitive for casual users, small-scale operations, or those working with non-Buchi equipment.

### **Recommendation**

**Buy this set if:**

- You are already using or plan to use Buchi extraction/distillation apparatuses.

- Your workflow demands precise volume measurements and minimal residual solvent loss.

- You can justify the investment based on long-term cost savings from accuracy and durability.

- Your lab has the resources to handle glassware carefully and maintain it properly.

**Avoid or consider alternatives if:**

- You are on a tight budget and can find equally precise but cheaper tubes (though few brands match Buchi s compatibility).

- Your applications do not require the exact specifications of Buchi systems (e.g., if you use other brands extractors).

- You frequently encounter breakage risks (e.g., in high-traffic or poorly controlled environments).

- You need a larger quantity or different specifications (e.g., higher residual volume) that this set does not provide.

For most professional labs or researchers committed to Buchi systems, this set is a worthwhile purchase. For others, evaluating whether the added precision justifies the cost is essential.

Details:

Set of 12 R-12 glass Buchi graduated tubes. Previously used in an environmental laboratory. Buchi part number: 046072 Working Volume: 120 mL Residual volume: 0.3 mL, For use with Scruples Concentrate.

part #: 046072 price

  • $499.99

specifications plasticwarelabsuppy:

  • brand: Buchi
  • mpn: 046072
  • part type: Tube

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  • Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware

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offer plasticwarelabsuppy:

  • started: March 19, 2026
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part type: tube,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13471133323742861,
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  • Used. Offer #1 priced at $499.99 + $11.53 shipping estimate = $511.52* total. Set of 12 (R-12) glass Buchi graduated tubes. Buchi part number: .+$11.53 shipping

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