1. انتهى المنتجview
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.
- استخدام وفقا لتوجيهات: This product is to be used only as directed. Any other use is prohibited.
- يحفظ بعيدا عن متناول الأطفال: 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.
- معدات الحماية الشخصية (PPE): Always wear appropriate personal protective equipment, such as safety glasses and gloves, when handling chemical reagents.
- تهوية: استخدام في منطقة جيدة التهوية.
- تصرف: Dispose of used reagents and samples according to local environmental regulations.
3. الإعداد والتحضير
Before beginning any measurement, ensure you have the necessary equipment and that your colorimeter is calibrated according to its specific user manual.
3.1 المواد المطلوبة (غير مشمولة)
- YSI pHotoFlex or 900 Chlorine Colorimeter
- ينظفample cells/vials
- Deionized water (for rinsing and blanking)
- Sample to be tested
3.2 تحضير الكاشف
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 sampحجم جنيه.
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.
- يجهزampالخلية: Rinse a clean sample cell thoroughly with deionized water, then with a small amount of the sampجنيه ليتم اختبارها.
- املأ سampالخلية: املأ sample cell with 10 ml of the water sample to be analyzed. Ensure the sample volume is precise.
- Add Reagent: Carefully open one YSI 251401Y DPD Free Chlorine Reagent Powder packet. Add the entire contents of the powder packet to the 10 ml sampلي في الخلية.
- مزج: كاب ال sample 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.
- وقت رد الفعل: Allow a reaction time of approximately 1 minute for the color to fully develop. Consult your colorimeter's manual for specific reaction time recommendations.
- يقيس: Insert the prepared sample 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.
- سجل النتائج: Record the measurement results immediately.
- تنظيف: After measurement, empty the sample cell and rinse it thoroughly with deionized water.
ملحوظة: 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. الصيانة والتخزين
Proper storage of the reagent packets is essential to maintain their integrity and ensure accurate results.
- ظروف التخزين: Store the YSI 251401Y DPD Free Chlorine Reagent Powder packets in a cool, dry place, away from direct sunlight and extreme temperatures.
- التغليف الأصلي: Keep the packets in their original packaging until ready for use to protect them from moisture and contamination.
- تاريخ انتهاء الصلاحية: 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.
- تصرف: Dispose of expired or unused reagents according to local hazardous waste regulations.
6. استكشاف الأخطاء وإصلاحها
This section addresses common issues that may arise during the use of the DPD Free Chlorine Reagent.
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| No color development or faint color when chlorine is expected. |
|
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| قراءات غير متسقة أو غير منتظمة. |
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7. المواصفات
- اسم المنتج: YSI 251401Y DPD Free Chlorine Reagent Powder
- رقم القطعة: 251401 سنة
- طلب: Free Chlorine Measurement
- التوافق: YSI pHotoFlex and 900 Chlorine Colorimeter
- موافقة: معتمد من وكالة حماية البيئة
- Volume per Packet: 10 ml (for 10 ml sampلو)
- نطاق القياس: 0.02،2 إلى XNUMX،XNUMX مجم / لتر
- كمية: Pack of 100 packets
- شكل العنصر: مسحوق
- وزن السلعة: Approximately 2.4 Ounces (for the pack)
8. الضمان والدعم
For technical support, product inquiries, or to request a Safety Data Sheet (SDS), please contact YSI directly using the information below.
- الشركة المصنعة: YSI
- عنوان: 1725 Brannum Lane, Yellow Springs, OH 45387, USA
- الهاتف: 800-897-4151; 1-937-767-7241
- Webموقع: www.ysi.com
- بريد إلكتروني: environment@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.
