{"product_id":"hanna-hi96788-25-phenols-pre-dosed-reagent-set-25-tests","title":"Hanna HI96788-25 Phenols Pre-dosed Reagent Set — 25 Tests","description":"\u003cdiv id=\"bts-hi96788-25-description\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;max-width:1400px;margin:0 auto;padding:20px 12px;color:#26332C;background:#fff;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:20px;padding-bottom:20px;margin-bottom:24px;border-bottom:1px solid #e0e0e0;\"\u003e\n\u003cdiv style=\"flex:1 1 360px;min-width:0;box-sizing:border-box;\"\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;color:#245B45;\"\u003eKeep the named phenols method ready for the next water sample\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eChoose HI96788-25 when you need a matched, pre-dosed phenols reagent set rather than a single replacement component. The 25-test format supports routine water-quality and treatment checks with less reagent preparation, while lot and expiry labeling supports traceability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"flex:0 1 310px;min-width:0;margin:0;text-align:center;box-sizing:border-box;\"\u003e\n\u003cimg alt=\"Hanna HI96788-25 Phenols reagent set with branded vials and packets\" height=\"1200\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/HI96788-25_-1200x1200-a61f2165-ed04-45da-bc5e-8d9a61f5c3bf__84154.1769448173.jpg?v=1793907536\" style=\"width:100%;max-width:300px;height:auto;object-fit:contain;\" width=\"1200\"\u003e\n\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-size:0.9rem;margin-top:8px;\"\u003eOfficial reagent-set photograph; identify supplied components by their lot labels, not pictured quantities or dates.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F1F7F3;border-left:3px solid #245B45;padding:20px;box-sizing:border-box;margin:0 0 24px;\"\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;color:#245B45;\"\u003eMatch the phenols method—not just the vial format\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eUse the documented Phenols method on HI83314 or HI83399 for 0.00–5.00 mg\/L phenols, using the 510 nm 4-aminoantipyrine color reaction. The set is intended for drinking water, wastewater, process water and natural waters within the method’s matrix limits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;color:#245B45;\"\u003eOne set, 25 nominal determinations\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eOne order supplies the HI96788-25 reagent set for 25 tests. Each determination uses a HI96788V-0 Phenol Reagent Vial, one HI96788A-0 packet and one HI96788B-0 packet. Quality-control checks and repeats also consume reagents; 25 tests does not mean 25 independently validated sample results. Per-test doses are not a claim about retail component counts or vial fill volumes.\u003c\/p\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;color:#245B45;\"\u003eHave the measurement workflow ready\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eUse your compatible photometer with the adapter specified in its current Phenols method, accurate 5 mL sample delivery, clean lint-free wipes and appropriate PPE. Meter, adapter, pipette and reference standards are separate from this reagent refill. Do not add a digestion reactor simply because the reagent is supplied in vials; the cited phenols color-development procedure has no heated digestion step.\u003c\/p\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;color:#245B45;\"\u003eA practical preparation overview\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eThe method zeroes the sample-containing reagent vial before adding reagents A and B, then measures after color development. Keep sample temperature between 10 and 35 °C and allow the prescribed five-minute reaction time. Follow the exact-model manual for the complete sequence, vial handling and timing rather than using this overview as a bench recipe.\u003c\/p\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;color:#245B45;\"\u003eRead phenols results on the right basis\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eHI83399 reports mg\/L of phenols as C6H5OH, with phenol as the standard. Different phenolic compounds produce different color responses; Hanna describes the measurement as the minimum reported concentration of phenols. This is not equal-response quantification of every phenolic compound, chemical speciation or a direct toxicity measurement.\u003c\/p\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;color:#245B45;\"\u003eChoose preparation and quality control for your matrix\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eSample zeroing helps address background, but it does not make every matrix interference-free. High turbidity requires distillation in the current method; oxidizing\/reducing agents and listed ions can also interfere. Hanna’s ISO 6439 \/ EPA 420.1 compliance statement is qualified after distillation, not a guarantee that an untreated sample or every reporting use is accepted. Use appropriate phenol reference material and laboratory QC separately; instrument check standards do not replace analytical QC.\u003c\/p\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;color:#245B45;\"\u003eStore and handle by the supplied lot\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eKeep unused vials in their packaging in a cool, dark place and use the expiry and storage directions on the supplied lot. Read all three component SDS before handling and follow their PPE and waste-disposal guidance. The manufacturer classifies this product as Dangerous Goods; destination and carrier eligibility require confirmation, not an assumed dispatch promise.\u003c\/p\u003e\n\u003cdiv class=\"faq_block\" style=\"border-top:1px solid #e0e0e0;margin-top:24px;\"\u003e\u003cdiv itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\" style=\"width: 100%; padding: 20px 0; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333;line-height:1.15;\"\u003e\n\u003ch3 style=\"font-size:1.1rem;font-weight:400;margin:0 0 16px;color:#245B45;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 400; list-style-position: inside;\"\u003eWhy choose the complete HI96788-25 set rather than one component?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eThe set is the orderable 25-test refill named in the HI83314 and HI83399 Phenols methods. A determination needs the reagent vial plus both reagents A and B. A component SDS or a bottle bearing a related code does not establish a complete assay refill.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 400; list-style-position: inside;\"\u003eHow many assays can I plan from one order?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eHanna states 25 tests. Plan reagent use for your samples plus blanks, controls and repeats required by your laboratory method. The stated capacity is not a promise of 25 reportable unknowns, and per-test doses are not used here to infer physical packet counts or total liquid volume.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 400; list-style-position: inside;\"\u003eWhich instrument and vial setup should I use?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eHI83314 and HI83399 current manuals explicitly list HI96788-25 for their Phenols method and specify the model’s vial-adapter setup. Hanna markets the set as 13 mm internal-diameter vials; the current instrument procedure is labeled Phenols (16 mm Vial). Follow that exact model procedure and adapter instructions rather than treating diameter labels as an adapter alias or universal photometer compatibility.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 400; list-style-position: inside;\"\u003eWhat range and chemistry does this reagent measure?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eThe corroborated phenols method is 0.00–5.00 mg\/L, with 0.01 mg\/L resolution and a 510 nm 4-aminoantipyrine reaction. The HI83314 and HI83399 method accuracy is ±0.05 mg\/L ±3% of reading at 25 °C. This is phenols chemistry, not a nitrite reagent or a nitrogen-reporting range.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 400; list-style-position: inside;\"\u003eDoes a result represent every phenolic compound equally?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eNo. Different phenolic compounds yield varying color responses. Phenol is the reference standard, and HI83399 displays mg\/L phenols as C6H5OH. Hanna describes the result as the minimum reported phenols concentration; do not present it as full phenolic speciation, an equal-response sum of all phenols or a toxicity result.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 400; list-style-position: inside;\"\u003eDoes the method require a reactor or distillation?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eThe cited color-development procedure does not require a digestion reactor. Distillation is a separate sample-preparation requirement for high turbidity and may be used to remove other interferences. Hanna’s stated ISO 6439 \/ EPA 420.1 compliance is after distillation. A vial format alone does not imply COD digestion.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 400; list-style-position: inside;\"\u003eWhat else do I need, including standards?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eHave the supported meter, its method-specified vial adapter, accurate 5 mL sample delivery, wipes and SDS-directed PPE. These are not represented as included in the refill. Provide appropriate phenol reference material and the blanks\/controls required by your laboratory; CAL Check instrument verification material is not an analytical phenol standard. Check the method’s interference limits against your sample matrix.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 400; list-style-position: inside;\"\u003eWhich handling and timing details protect the result?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eUse samples at 10–35 °C, keep vial exteriors clean, zero as directed and observe the five-minute color-development period. Store unused vials in their packaging in a cool, dark place and follow the supplied lot expiry. Read the HI96788V-0, HI96788A-0 and HI96788B-0 SDS and the full method for safe handling, waste management and matrix preparation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":53471290589482,"sku":"BTS-HI96788-25","price":126.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/HI96788-25_-1200x1200-a61f2165-ed04-45da-bc5e-8d9a61f5c3bf__84154.1769448173.jpg?v=1793907536","url":"https:\/\/bluetigerscientific.com\/products\/hanna-hi96788-25-phenols-pre-dosed-reagent-set-25-tests","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}