FISHER SCIENTIFIC 14-861 Litmus Paper Strips Congo Glass

( Brand: Fisher Scientific ), ( Part Type: Strip ), ( Manufacturer Part Number: 14-861 ), ( Color: Red ), ( Country/region Of Manufacture: United States )

Review FISHER SCIENTIFIC Vintage Litmus Test Paper Strips Congo Red Glass 100

The Fisher Scientific 14-861 Congo Red Agar Gel pH Indicator Strip is a versatile and essential tool for laboratory professionals seeking precise and accurate pH measurements. These pH indicator strips are particularly suitable for applications involving sterile or non-aqueous samples, including microbiology, biochemistry, and pharmaceutical testing.

The Congo Red Agar Gel strips are impregnated with Congo Red Agar Gel, an especially effective indicator for measuring pH in the range of 3.5 to 6.0. The unique agar gel matrix ensures that the strips can be used in a wide range of sample types without the need for dilution or preparation, making them a time-saving solution for users.

Each box contains 100 strips, ensuring an ample supply for various applications. The strips are designed to provide clear and distinct color changes at specific pH levels, making it easy to read and record results. The pH values correspond to the following colors:

1. Green-yellow (pH 6.0)

2. Yellow (pH 5.5)

3. Orange (pH 5.0)

4. Red (pH 4.5)

5. Red-violet (pH 4.0)

6. Blue-violet (pH 3.5)

These pH indicator strips are reliable and user-friendly, as they offer precise results even in the presence of some ions and organic compounds, making them ideal for applications where other indicator strips may fail. They can also be used with various analytical instruments or other pH measurement devices for automated readings and record-keeping.

Additionally, the 14-861 Congo Red Agar Gel pH Indicator Strips can be stored at room temperature, making them a convenient solution for laboratories with limited storage capacity or space constraints. Each strip is individually wrapped to prevent cross-contamination and to ensure the longest shelf life. Independently verifiable certificates of analysis (CofAs) are also available upon request for further quality assurance.

The Fisher Scientific 14-861 Congo Red Agar Gel pH Indicator Strips are a trusted choice for professionals in need of accurate and efficient pH testing in various applications. With their versatility, ease of use, and high precision, these pH indicator strips have proven to be an essential tool in laboratory environments.

Pros and Cons of Buying Fisher Scientific 14-861 Litmus Paper Strips (Congo Red)

The Fisher Scientific 14-861 Litmus Paper Strips (Congo Red) are a type of pH indicator used to determine the acidity or basicity of a solution. Understanding the pros and cons of purchasing these litmus paper strips can help researchers and scientists make informed decisions when selecting suitable laboratory supplies.

1. Versatility: Congo red litmus paper is suitable for a wide range of pH measurements, from strongly acidic solutions (pH 14).

2. Easy to use: Litmus paper is a simple and quick method to identify the pH value of a solution by comparing the color of the paper to a reference chart. No elaborate equipment or extensive training is required.

3. Cost-effective: Litmus paper is relatively inexpensive compared to other pH measurement tools, making it an economical choice for performing routine pH measurements.

4. Wide availability: Fisher Scientific 14-861 Litmus Paper Strips can be easily obtained from various scientific suppliers, ensuring convenience for laboratory researchers.

5. High accuracy: With proper handling, litmus paper is known for its high accuracy and reproducibility in determining pH values.

1. Limited resolution: Litmus paper provides a general pH indication, rather than a precise pH value. For exact pH measurements, more advanced instruments like pH meters are recommended.

2. pH range limitations: The Congo red litmus paper's pH indicators may experience color fade at extreme pH values, leading to inaccurate results.

3. Handling: Careful handling of litmus paper is essential to minimize contamination, as exposure to impure solutions or pollutants can cause inaccurate results.

4. Shelf life: Litmus paper degrades over time, affecting the accuracy of readings. Proper storage and regular monitoring of the litmus paper's performance is necessary to maintain consistent results.

The Fisher Scientific 14-861 Litmus Paper Strips (Congo Red) hold significance for their versatility, ease of use, cost-effectiveness, wide availability, and high accuracy. However, they come with limitations like limited resolution, pH range limitations, handling requirements, and shelf life. It is essential to consider these pros and cons when deciding whether to purchase this type of litmus paper for your research purposes.

Litmus paper, including the Fisher Scientific 14-861 Congo Red Litmus Paper Strips, is a handy and simple tool for determining general pH values in various applications. However, if more precise pH measurements are required, it is recommended to invest in advanced, computer-controlled pH meters for reliable and accurate results. In lower-precision experiments, or for quick, routine measurements, litmus paper remains a popular and cost-effective choice.

Details:

No guarantee of efficacy strips. End of 2024 All Offers Considered Have a Wonderful Holiday Season!, Vintage unused glass vial 100 Congo Red Test Paper strips from Fisher Scientific No. Note: Appears unused. 14-861, topped with cork.

Overall excellent condition. The label shows wear from age and handling.

part #: 14861 prices

• $5.00-$49.99

specifications quakedental:

• brand: Fisher Scientific
• part type: Strip
• manufacturer part number: 14-861
• color: Red
• country/region of manufacture: United States

seller quakedental:

• city: Fresno, California
• # reviews: 1718
• rating: 100.0%

returns quakedental:

• policy: No Returns

payments quakedental:

• cash
• credit card: Discover
• other
• wallet: Paypal

offer quakedental:

• best offers: True
• options: Ship-to-home
• started: December 28, 2024
• availability: In Stock
• sold: 0
• quantity: 1

shipping quakedental:

• transit: 5-11 Days
• cost: $0.00
• service: Economy
• class: Economy
• type: Fixed

general quakedental:

• Business Industrial > Healthcare, Lab Dental > Other Healthcare, Lab Dental
• condition: New

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