{"product_id":"apera-ai4609-tisab-a-ionic-strength-adjustment-buffer-8-oz","title":"Apera AI4609 TISAB-A Ionic Strength Adjustment Buffer, 8 oz","description":"\u003cdiv id=\"bts-ai4609-description\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;width:100%;max-width:1400px;margin:0 auto;color:#26332C;font-size:1rem;line-height:1.75;\"\u003e\n\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(20px,4vw,42px);border:1px solid #B7D0BF;background:#F1F7F3;border-radius:14px;\"\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;flex-wrap:wrap;align-items:center;gap:clamp(24px,4vw,48px);\"\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 340px;min-width:0;\"\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#245B45;margin:0 0 12px;\"\u003eAPERA INSTRUMENTS \/ AI4609\u003c\/p\u003e\n\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eMatch your calcium electrode method with TISAB A.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eApera AI4609 is catalogued as Total Ionic Strength Adjustment Buffer A for calcium ion electrodes, in an 8 oz bottle. Specify the exact buffer letter alongside the catalog number when replenishing your method supplies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 340px;min-width:0;\"\u003e\u003cfigure style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;margin:0;min-width:0;\"\u003e\u003cimg alt=\"Illustrative Apera AI4609 solution bottle; not a photograph of the supplied packaging.\" height=\"1024\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai4609-blue-label-clean.webp?v=1792297640\" style=\"display:block;width:100%;max-width:340px;height:auto;object-fit:contain;box-sizing:border-box;margin:0 auto;\" width=\"1024\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;\"\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003eTISAB A\u003c\/h3\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe buffer letter is part of the product identity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003eMethod-matched\u003c\/h3\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eFor the catalogued calcium electrode application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003e8 oz\u003c\/h3\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eCatalogued bottle size for AI4609.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eCalibration and ionic-strength adjustment are different steps.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eA calibration standard supplies a stated nominal analyte concentration. An ionic-strength adjustment buffer is a separate method reagent. TISAB A is the adjustment buffer identified for the electrode application above; do not treat it as a 1000 ppm calibration standard or interchange it with another TISAB letter based on bottle appearance.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eKeep the ordering details easy to check.\u003c\/h2\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;width:100%;max-width:100%;min-width:0;\"\u003e\u003ctable style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;width:100%;table-layout:fixed;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;text-align:left;background:#F1F7F3;font-weight:600;border:1px solid #B7D0BF;overflow-wrap:anywhere;\"\u003eProduct detail\u003c\/th\u003e\n\u003cth style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;text-align:left;background:#F1F7F3;font-weight:600;border:1px solid #B7D0BF;overflow-wrap:anywhere;\"\u003eAI4609\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eCatalog number\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eAI4609\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eReagent role\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eIonic-strength adjustment buffer; not a concentration standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eBottle size\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003e8 oz, as catalogued\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eOrder contents\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eOne solution bottle; equipment and other reagents not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eKeep the reagent matched to the procedure.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eUse AI4609 when your exact electrode and method specify a suitable TISAB A reagent. Follow that method for which solutions receive buffer, preparation order, additions and calibration. The catalog name alone does not establish an addition ratio, pH, preservative or compatibility with every electrode.\u003c\/p\u003e\n\u003caside style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:20px;background:#F1F7F3;border-left:4px solid #245B45;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#245B45;margin:0 0 12px;\"\u003eBEFORE USE\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eReview the supplied label and safety documentation. No mixing ratio, formulation, storage temperature, shelf life or traceability certification is assumed from the name alone.\u003c\/p\u003e\u003c\/aside\u003e\u003c\/section\u003e\u003csection id=\"bts-ai4609-faq\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:30px 0;line-height:1.2;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eQuestions before you order\u003c\/h2\u003e\n\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-weight:600;box-sizing:border-box;font-size:1rem;line-height:1.2;padding:16px;cursor:pointer;\"\u003eWhat is Apera AI4609 TISAB A?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eAI4609 is the catalogued 8 oz TISAB A Total Ionic Strength Adjustment Buffer for calcium ion electrodes. It is a solution-only reagent.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-weight:600;box-sizing:border-box;font-size:1rem;line-height:1.2;padding:16px;cursor:pointer;\"\u003eIs TISAB A a 1000 ppm ion calibration standard?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eNo. This item is catalogued as an ionic-strength adjustment buffer, not as a standard with a stated analyte concentration. Use separate standards where required by your method.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-weight:600;box-sizing:border-box;font-size:1rem;line-height:1.2;padding:16px;cursor:pointer;\"\u003eWhich electrode application is listed for AI4609?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe catalog identifies calcium ion electrodes. That application statement is not a universal compatibility guarantee for every electrode; check the exact electrode and method requirements.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-weight:600;box-sizing:border-box;font-size:1rem;line-height:1.2;padding:16px;cursor:pointer;\"\u003eHow much TISAB A should I add?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eFollow the exact electrode and method instructions. No universal buffer-to-sample ratio, dilution recipe or preparation order has been verified for publication here.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-weight:600;box-sizing:border-box;font-size:1rem;line-height:1.2;padding:16px;cursor:pointer;\"\u003eCan I swap TISAB A for another TISAB letter?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eDo not assume the letters are interchangeable. Match the buffer type, target analyte and method requirements. A shared bottle size or manufacturer does not establish equivalent formulation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-weight:600;box-sizing:border-box;font-size:1rem;line-height:1.2;padding:16px;cursor:pointer;\"\u003eWhat does one order include?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eOne catalogued 8 oz TISAB A solution bottle under AI4609. A meter, electrode, calibration standards and other reagents are separate unless expressly included in a different kit.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-weight:600;box-sizing:border-box;font-size:1rem;line-height:1.2;padding:16px;cursor:pointer;\"\u003eHow should I store the buffer and check its expiry?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eUse the actual supplied label and safety documentation for storage, handling and expiry. No particular temperature interval or shelf life is promised by this page.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-weight:600;box-sizing:border-box;font-size:1rem;line-height:1.2;padding:16px;cursor:pointer;\"\u003eDoes the illustration show the actual supplied bottle?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eNo. The bottle graphic is an AI-generated product-identification illustration using the catalogued name, SKU and size, and nominal concentration where specified. It is not manufacturer photography or a reproduction of the supplied label. Actual packaging and label layout may differ; use the supplied product documentation for analytical and safety information.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Apera Instruments","offers":[{"title":"Default Title","offer_id":52996109435178,"sku":"BTS-AI4609","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai4609-blue-label-clean.webp?v=1792297640","url":"https:\/\/bluetigerscientific.com\/products\/apera-ai4609-tisab-a-ionic-strength-adjustment-buffer-8-oz","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}