1. Produk Lebihview
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.
- Gunakan seperti yang diarahkan: This product is to be used only as directed. Any other use is prohibited.
- Jauhkan daripada kanak-kanak: 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.
- Alat Pelindung Diri (PPE): Always wear appropriate personal protective equipment, such as safety glasses and gloves, when handling chemical reagents.
- Pengudaraan: Gunakan di kawasan yang berventilasi baik.
- Pelupusan: Dispose of used reagents and samples according to local environmental regulations.
3. Persediaan dan Persediaan
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
- Bersih sample cells/vials
- Deionized water (for rinsing and blanking)
- Sample untuk diuji
3.2 Penyediaan Reagen
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 sampisipadu le.
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.
- Sediakan Sample Sel: Rinse a clean sample cell thoroughly with deionized water, then with a small amount of the sample untuk diuji.
- Isi Sample Sel: Isikan sample cell with 10 ml of the water sample to be analyzed. Ensure the sample volume is precise.
- Tambah Reagen: Carefully open one YSI 251401Y DPD Free Chlorine Reagent Powder packet. Add the entire contents of the powder packet to the 10 ml sample dalam sel.
- Campurkan: Tutup 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.
- Masa tindak balas: Allow a reaction time of approximately 1 minute for the color to fully develop. Consult your colorimeter's manual for specific reaction time recommendations.
- ukur: Masukkan s yang telah disediakanample 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.
- Keputusan Rekod: Record the measurement results immediately.
- Pembersihan: After measurement, empty the sample cell and rinse it thoroughly with deionized water.
Nota: 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. Penyelenggaraan dan Penyimpanan
Proper storage of the reagent packets is essential to maintain their integrity and ensure accurate results.
- Keadaan penyimpanan: Store the YSI 251401Y DPD Free Chlorine Reagent Powder packets in a cool, dry place, away from direct sunlight and extreme temperatures.
- Pembungkusan Asal: Keep the packets in their original packaging until ready for use to protect them from moisture and contamination.
- Tarikh Luput: 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.
- Pelupusan: Dispose of expired or unused reagents according to local hazardous waste regulations.
6. Penyelesaian masalah
This section addresses common issues that may arise during the use of the DPD Free Chlorine Reagent.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| No color development or faint color when chlorine is expected. |
|
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| Inconsistent or erratic readings. |
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7. Spesifikasi
- Nama Produk: YSI 251401Y DPD Free Chlorine Reagent Powder
- Nombor Bahagian: 251401Y
- Permohonan: Free Chlorine Measurement
- Keserasian: YSI pHotoFlex and 900 Chlorine Colorimeter
- Kelulusan: EPA diluluskan
- Volume per Packet: 10 ml (for 10 ml sample)
- Julat Pengukuran: 0.02 hingga 2 mg / L
- Kuantiti: Pack of 100 packets
- Borang Item: serbuk
- Berat Barang: Approximately 2.4 Ounces (for the pack)
8. Waranti dan Sokongan
For technical support, product inquiries, or to request a Safety Data Sheet (SDS), please contact YSI directly using the information below.
- Pengeluar: YSI
- Alamat: 1725 Brannum Lane, Yellow Springs, OH 45387, USA
- telefon: 800-897-4151; 1-937-767-7241
- Webtapak: www.ysi.com
- e-mel: 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.