1. Продукт бүтүп калдыview
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.
- Көрсөтүлгөндөй колдонуу: This product is to be used only as directed. Any other use is prohibited.
- Балдардан алыс болуңуз: 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.
- Жеке коргонуу каражаттары (ЖКК): Always wear appropriate personal protective equipment, such as safety glasses and gloves, when handling chemical reagents.
- Вентиляция: Бир жакшылап желдетип аймакта колдонулат.
- Жоюу: Dispose of used reagents and samples according to local environmental regulations.
3. Орнотуу жана даярдоо
Before beginning any measurement, ensure you have the necessary equipment and that your colorimeter is calibrated according to its specific user manual.
3.1 Керектүү материалдар (кошулбайт)
- YSI pHotoFlex or 900 Chlorine Colorimeter
- Таза сample cells/vials
- Deionized water (for rinsing and blanking)
- Sample to be tested
3.2 Реагенттерди даярдоо
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 sampле көлөмү.
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.
- Даярдоо Сample Cell: Rinse a clean sample cell thoroughly with deionized water, then with a small amount of the sampсыноо керек.
- Сample Cell: s толтурample 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 sampкамерада.
- Аралаш: s капкакample 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.
- Реакция убактысы: Allow a reaction time of approximately 1 minute for the color to fully develop. Consult your colorimeter's manual for specific reaction time recommendations.
- Өлчөм: 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.
- Натыйжаларды жаздыруу: Record the measurement results immediately.
- Тазалоо: After measurement, empty the sample cell and rinse it thoroughly with deionized water.
Эскертүү: 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. Техникалык тейлөө жана сактоо
Proper storage of the reagent packets is essential to maintain their integrity and ensure accurate results.
- Сактоо шарттары: Store the YSI 251401Y DPD Free Chlorine Reagent Powder packets in a cool, dry place, away from direct sunlight and extreme temperatures.
- Оригиналдуу таңгак: Keep the packets in their original packaging until ready for use to protect them from moisture and contamination.
- Жарамдык датасы: 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.
- Жоюу: Dispose of expired or unused reagents according to local hazardous waste regulations.
6. Кыйынчылыктарды
This section addresses common issues that may arise during the use of the DPD Free Chlorine Reagent.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| No color development or faint color when chlorine is expected. |
|
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| Inconsistent or erratic readings. |
|
|
7. Техникалык шарттар
- Продукт аты: YSI 251401Y DPD Free Chlorine Reagent Powder
- Бөлүмдүн номери: 251401Y
- Колдонмо: Free Chlorine Measurement
- Шайкештик: YSI pHotoFlex and 900 Chlorine Colorimeter
- Кабыл алуу: EPA бекитилген
- Volume per Packet: 10 ml (for 10 ml sampле)
- Өлчөө диапазону: 0.02-2 мг/л
- Саны: Pack of 100 packets
- Элемент формасы: Порошок
- Элемент Салмагы: Approximately 2.4 Ounces (for the pack)
8. Кепилдик жана колдоо
For technical support, product inquiries, or to request a Safety Data Sheet (SDS), please contact YSI directly using the information below.
- Өндүрүүчү: YSI
- Дарек: 1725 Brannum Lane, Yellow Springs, OH 45387, USA
- Телефон: 800-897-4151; 1-937-767-7241
- Webсайт: www.ysi.com
- Электрондук почта: çevre@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.
