1. পণ্য শেষview
The YSI 251401Y DPD Free Chlorine Reagent Powder is an EPA-approved chemical reagent designed for accurate measurement of free chlorine concentrations. This product is specifically formulated for use with YSI pHotoFlex and 900 Chlorine Colorimeter instruments, providing reliable results within a range of 0.02 to 2 mg/L. Each pack contains 100 individual 10ml volume powder packets, ensuring convenience and consistent dosing for laboratory and field applications.
Image 1.1: A single packet of YSI 251401Y DPD Free Chlorine Reagent Powder. The label indicates "Powder Packets," "Part Number: 251401Y," "Lot Code: L 01 A," and "Exp: 01.2017." It also includes safety warnings and manufacturer contact information.
2. Safety Information and Handling
This product is intended for professional laboratory and field use only. Adherence to all safety guidelines is critical for proper and safe operation.
- নির্দেশিত হিসাবে ব্যবহার করুন: This product is to be used only as directed. Any other use is prohibited.
- শিশুদের থেকে দূরে রাখুন: Store and use this product out of reach of children.
- Safety Data Sheet (SDS): A detailed Safety Data Sheet is available upon request for professional users. It contains comprehensive information regarding chemical properties, hazards, safe handling, emergency procedures, and disposal.
- ব্যক্তিগত সুরক্ষামূলক সরঞ্জাম (পিপিই): Always wear appropriate personal protective equipment, such as safety glasses and gloves, when handling chemical reagents.
- বায়ুচলাচল: একটি ভাল বায়ু চলাচলের সুব্যবস্থা ব্যবহার করুন.
- নিষ্পত্তি: Dispose of used reagents and samples according to local environmental regulations.
3. সেটআপ এবং প্রস্তুতি
Before beginning any measurement, ensure you have the necessary equipment and that your colorimeter is calibrated according to its specific user manual.
3.1 Required Materials (Not Included)
- YSI pHotoFlex or 900 Chlorine Colorimeter
- পরিষ্কার এসample cells/vials
- Deionized water (for rinsing and blanking)
- Sample to be tested
3.2 বিকারক প্রস্তুতি
The YSI 251401Y DPD Free Chlorine Reagent is provided in pre-measured powder packets, eliminating the need for manual weighing or dilution. Each packet contains the precise amount of reagent for a 10ml sampলে ভলিউম।
4. Operating Instructions for Free Chlorine Measurement
Follow these steps for accurate free chlorine measurement using the YSI 251401Y DPD Free Chlorine Reagent Powder with a compatible YSI colorimeter.
- এস প্রস্তুত করুনampলে সেল: Rinse a clean sample cell thoroughly with deionized water, then with a small amount of the sampপরীক্ষা করা হবে।
- এস পূরণ করুনampলে সেল: গুলি পূরণ করুনample cell with 10 ml of the water sample to be analyzed. Ensure the sample volume is precise.
- রিএজেন্ট যোগ করুন: Carefully open one YSI 251401Y DPD Free Chlorine Reagent Powder packet. Add the entire contents of the powder packet to the 10 ml sampকোষে লে.
- মিশ্রণ: s ক্যাপample cell and invert it gently several times to dissolve the powder completely. Avoid shaking vigorously, which can introduce air bubbles. A pink color will develop if free chlorine is present.
- প্রতিক্রিয়ার সময়: Allow a reaction time of approximately 1 minute for the color to fully develop. Consult your colorimeter's manual for specific reaction time recommendations.
- পরিমাপ: প্রস্তুত s ঢোকানample cell into the YSI pHotoFlex or 900 Chlorine Colorimeter. Follow the instrument's instructions to initiate the measurement. The colorimeter will display the free chlorine concentration in mg/L.
- রেকর্ড ফলাফল: Record the measurement results immediately.
- পরিষ্কার করা: After measurement, empty the sample cell and rinse it thoroughly with deionized water.
দ্রষ্টব্য: For best results, perform measurements promptly after sample collection. The DPD method is sensitive to light and temperature; protect samples and reagents from direct sunlight and extreme temperatures.
5. রক্ষণাবেক্ষণ এবং স্টোরেজ
Proper storage of the reagent packets is essential to maintain their integrity and ensure accurate results.
- স্টোরেজ শর্ত: Store the YSI 251401Y DPD Free Chlorine Reagent Powder packets in a cool, dry place, away from direct sunlight and extreme temperatures.
- মূল প্যাকেজিং: Keep the packets in their original packaging until ready for use to protect them from moisture and contamination.
- মেয়াদ শেষ হওয়ার তারিখ: Always check the expiration date printed on each packet (e.g., "Exp: 01.2017" as shown in Image 1.1). Do not use expired reagents, as they may yield inaccurate results.
- নিষ্পত্তি: Dispose of expired or unused reagents according to local hazardous waste regulations.
6. সমস্যা সমাধান
This section addresses common issues that may arise during the use of the DPD Free Chlorine Reagent.
| সমস্যা | সম্ভাব্য কারণ | সমাধান |
|---|---|---|
| No color development or faint color when chlorine is expected. |
|
|
| Inconsistent or erratic readings. |
|
|
7. স্পেসিফিকেশন
- পণ্যের নাম: YSI 251401Y DPD Free Chlorine Reagent Powder
- অংশ সংখ্যা: 251401Y
- আবেদন: Free Chlorine Measurement
- সামঞ্জস্যতা: YSI pHotoFlex and 900 Chlorine Colorimeter
- অনুমোদন: EPA অনুমোদিত
- Volume per Packet: 10 ml (for 10 ml sampLE)
- পরিমাপ পরিসীমা: 0.02 থেকে 2 মিলিগ্রাম / এল
- পরিমাণ: Pack of 100 packets
- আইটেম ফর্ম: পাউডার
- আইটেম ওজন: Approximately 2.4 Ounces (for the pack)
8. ওয়্যারেন্টি এবং সমর্থন
For technical support, product inquiries, or to request a Safety Data Sheet (SDS), please contact YSI directly using the information below.
- প্রস্তুতকারক: YSI
- ঠিকানা: 1725 Brannum Lane, Yellow Springs, OH 45387, USA
- টেলিফোন: 800-897-4151; 1-937-767-7241
- Webসাইট: www.ysi.com
- ইমেইল: environmental@ysi.com
YSI stands behind the quality of its products. Please refer to the official YSI website or contact customer support for detailed warranty information applicable to this reagent.
