1. Бүтээгдэхүүн дууссанview
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.
- Зааврын дагуу ашиглах: This product is to be used only as directed. Any other use is prohibited.
- Хүүхдээс хол байлга: Store and use this product out of reach of children.
- Аюулгүй байдлын мэдээллийн хуудас (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.
- Хувийн хамгаалах хэрэгсэл (PPE): Always wear appropriate personal protective equipment, such as safety glasses and gloves, when handling chemical reagents.
- Агааржуулалт: Агааржуулалт сайтай газарт ашиглах хэрэгтэй.
- Устгах: Ашигласан урвалж болон бусад бодисыг хаяна ууampорон нутгийн байгаль орчны дүрэм журмын дагуу.
3. Тохиргоо ба бэлтгэл
Before beginning any measurement, ensure you have the necessary equipment and that your colorimeter is calibrated according to its specific user manual.
3.1 Шаардлагатай материал (оруулаагүй)
- YSI pHotoFlex or 900 Chlorine Colorimeter
- Цэвэр сample cells/vials
- Deionized water (for rinsing and blanking)
- Sampшинжилгээнд хамрагдах ёстой
3.2 Урвалж бэлтгэх
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 sample хэмжээ.
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.
- С бэлтгэample Cell: Rinse a clean sample cell thoroughly with deionized water, then with a small amount of the sampтуршиж үзэх болно.
- С бөглөнө үүample Cell: s-г бөглөнө үүample cell with 10 ml of the water sample to be analyzed. Ensure the sample volume is precise.
- Урвалж нэмэх: Carefully open one YSI 251401Y DPD Free Chlorine Reagent Powder packet. Add the entire contents of the powder packet to the 10 ml sampэс дотор.
- Холих: s үсгийг тагланаample 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.
- Урвалын хугацаа: Allow a reaction time of approximately 1 minute for the color to fully develop. Consult your colorimeter's manual for specific reaction time recommendations.
- Хэмжих: 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.
- Бичлэгийн үр дүн: Record the measurement results immediately.
- Цэвэрлэх: After measurement, empty the sample cell and rinse it thoroughly with deionized water.
Жич: 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. Засвар үйлчилгээ ба хадгалах
Proper storage of the reagent packets is essential to maintain their integrity and ensure accurate results.
- Хадгалах нөхцөл: Store the YSI 251401Y DPD Free Chlorine Reagent Powder packets in a cool, dry place, away from direct sunlight and extreme temperatures.
- Жинхэнэ сав баглаа боодол: Keep the packets in their original packaging until ready for use to protect them from moisture and contamination.
- Дуусах огноо: 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.
- Устгах: Dispose of expired or unused reagents according to local hazardous waste regulations.
6. Алдаа засах
This section addresses common issues that may arise during the use of the DPD Free Chlorine Reagent.
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| No color development or faint color when chlorine is expected. |
|
|
| Тогтворгүй эсвэл тогтворгүй уншилт. |
|
|
7. Техникийн үзүүлэлтүүд
- Бүтээгдэхүүний нэр: YSI 251401Y DPD Free Chlorine Reagent Powder
- Хэсгийн дугаар: 251401 жил
- Хэрэглээ: Free Chlorine Measurement
- Тохиромжтой байдал: YSI pHotoFlex and 900 Chlorine Colorimeter
- Зөвшөөрөл: EPA батлагдсан
- Volume per Packet: 10 ml (for 10 ml sampлэ)
- Хэмжилтийн хүрээ: 0.02-2 мг/л
- Тоо хэмжээ: Pack of 100 packets
- Барааны маягт: Нунтаг
- Барааны жин: Approximately 2.4 Ounces (for the pack)
8. Баталгаат хугацаа ба дэмжлэг
For technical support, product inquiries, or to request a Safety Data Sheet (SDS), please contact YSI directly using the information below.
- Үйлдвэрлэгч: YSI
- Хаяг: 1725 Brannum Lane, Yellow Springs, OH 45387, USA
- Утас: 800-897-4151; 1-937-767-7241
- Webсайт: www.ysi.com
- Имэйл: 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.





