1. ఉత్పత్తి ముగిసిందిview
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.
- నిర్దేశించిన విధంగా ఉపయోగించండి: This product is to be used only as directed. Any other use is prohibited.
- పిల్లలకు దూరంగా ఉండండి: 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.
- వ్యక్తిగత రక్షణ పరికరాలు (PPE): Always wear appropriate personal protective equipment, such as safety glasses and gloves, when handling chemical reagents.
- వెంటిలేషన్: బాగా వెంటిలేషన్ చేసిన ప్రదేశంలో వాడండి.
- పారవేయడం: Dispose of used reagents and samples according to local environmental regulations.
3. సెటప్ మరియు తయారీ
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
- క్లీన్ ఎస్ample cells/vials
- Deionized water (for rinsing and blanking)
- Sampపరీక్షించబడాలి
3.2 రీజెంట్ తయారీ
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 sampలే వాల్యూమ్.
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.
- S సిద్ధం చేయండిampలె సెల్: Rinse a clean sample cell thoroughly with deionized water, then with a small amount of the sampపరీక్షించబడాలి.
- ఫిల్ ఎస్ampలె సెల్: లను పూరించండిample cell with 10 ml of the water sample to be analyzed. Ensure the sample volume is precise.
- రియాజెంట్ను జోడించండి: Carefully open one YSI 251401Y DPD Free Chlorine Reagent Powder packet. Add the entire contents of the powder packet to the 10 ml sampసెల్ లో లే.
- మిక్స్: క్యాప్ ది ఎస్ample 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.
- ప్రతిచర్య సమయం: Allow a reaction time of approximately 1 minute for the color to fully develop. Consult your colorimeter's manual for specific reaction time recommendations.
- కొలత: 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.
- రికార్డు ఫలితాలు: Record the measurement results immediately.
- శుభ్రపరచడం: After measurement, empty the sample cell and rinse it thoroughly with deionized water.
గమనిక: 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. నిర్వహణ మరియు నిల్వ
Proper storage of the reagent packets is essential to maintain their integrity and ensure accurate results.
- నిల్వ పరిస్థితులు: Store the YSI 251401Y DPD Free Chlorine Reagent Powder packets in a cool, dry place, away from direct sunlight and extreme temperatures.
- అసలు ప్యాకేజింగ్: Keep the packets in their original packaging until ready for use to protect them from moisture and contamination.
- గడువు తేదీ: 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.
- పారవేయడం: Dispose of expired or unused reagents according to local hazardous waste regulations.
6. ట్రబుల్షూటింగ్
This section addresses common issues that may arise during the use of the DPD Free Chlorine Reagent.
| సమస్య | సాధ్యమైన కారణం | పరిష్కారం |
|---|---|---|
| No color development or faint color when chlorine is expected. |
|
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| Inconsistent or erratic readings. |
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7. స్పెసిఫికేషన్లు
- ఉత్పత్తి పేరు: YSI 251401Y DPD Free Chlorine Reagent Powder
- పార్ట్ నంబర్: 251401Y
- అప్లికేషన్: Free Chlorine Measurement
- అనుకూలత: YSI pHotoFlex and 900 Chlorine Colorimeter
- ఆమోదం: EPA ఆమోదించబడింది
- Volume per Packet: 10 ml (for 10 ml sampలే)
- కొలత పరిధి: 0.02 నుండి 2 mg/L
- పరిమాణం: Pack of 100 packets
- అంశం ఫారం: పొడి
- వస్తువు బరువు: Approximately 2.4 Ounces (for the pack)
8. వారంటీ మరియు మద్దతు
For technical support, product inquiries, or to request a Safety Data Sheet (SDS), please contact YSI directly using the information below.
- తయారీదారు: YSI
- చిరునామా: 1725 Brannum Lane, Yellow Springs, OH 45387, USA
- టెలిఫోన్: 800-897-4151; 1-937-767-7241
- Webసైట్: www.ysi.com
- ఇమెయిల్: 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.
