{"id":44515,"date":"2026-10-07T12:10:32","date_gmt":"2026-10-07T12:10:32","guid":{"rendered":"https:\/\/www.poolparthub.com\/product\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\/"},"modified":"2026-10-07T12:11:07","modified_gmt":"2026-10-07T12:11:07","slug":"hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m","status":"publish","type":"product","link":"https:\/\/www.poolparthub.com\/ro\/product\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\/","title":{"rendered":"Hanna Instruments pH 4.01 Buffer Calibration Solution 230 ml (HI7004M)"},"content":{"rendered":"<h2>Hanna Instruments Solu\u021bie de Calibrare Tampon pH 4.01 230 ml<\/h2>\n<p>HI7004M este o solu\u021bie tampon de calibrare pH 4,01 de calitate superioar\u0103, livrat\u0103 \u00eentr-o sticl\u0103 convenabil\u0103 de 230 ml. Fiind unul dintre cele mai utilizate standarde de referin\u021b\u0103 \u00een m\u0103surarea pH-ului, este formulat\u0103 special pentru a oferi o calibrare precis\u0103 \u00een intervalul acid al scalei de pH, fiind un instrument esen\u021bial pentru tehnicienii de piscine \u0219i profesioni\u0219tii \u00een calitatea apei.<\/p>\n<p>Solu\u021bia este produs\u0103 \u00een conformitate cu standardele ISO 3696\/BS3978, utiliz\u00e2nd s\u0103ruri de \u00eenalt\u0103 puritate, ap\u0103 deionizat\u0103, balan\u021be verificate gravimetric \u0219i sticl\u0103rie de Clas\u0103 A, \u00eentr-un mediu cu temperatur\u0103 controlat\u0103. Valorile raportate sunt precise la \u00b10,01 pH la 25 \u00b0C \u0219i sunt pe deplin trasabile la Materialele de Referin\u021b\u0103 Standard NIST (SRM-uri), iar fiecare lot este livrat \u00eempreun\u0103 cu un Certificat de Analiz\u0103.<\/p>\n<h3>Compatibilitate<\/h3>\n<p>HI7004M este compatibil cu toate pH-metrele \u0219i electrozii Hanna Instruments care necesit\u0103 calibrare la pH 4,01. Este la fel de potrivit pentru utilizare cu majoritatea celorlalte m\u0103rci de instrumente de pH. Este ideal pentru calibrarea \u00een dou\u0103 puncte atunci c\u00e2nd este asociat cu un tampon pH 7,01, sau pentru calibrarea \u00een trei puncte al\u0103turi de solu\u021bii pH 7,01 \u0219i pH 10,01 \u2014 acoperind \u00eentreaga gam\u0103 de necesit\u0103\u021bi de m\u0103surare a apei de piscin\u0103.<\/p>\n<h3>Fiabilitate \u00een care pute\u021bi avea \u00eencredere<\/h3>\n<p>Fiecare sticl\u0103 este etan\u0219\u0103, cu sigiliu de siguran\u021b\u0103 \u00eempotriva deschiderii neautorizate, \u0219i clar etichetat\u0103 cu num\u0103rul lotului, data expir\u0103rii \u0219i un tabel de corela\u021bie pH\/temperatur\u0103, astfel \u00eenc\u00e2t s\u0103 pute\u021bi compensa deriva termic\u0103 \u00een timpul m\u0103sur\u0103torilor pe teren. Solu\u021biile tampon tehnice Hanna sunt formulate special pentru a avea un termen de valabilitate de p\u00e2n\u0103 la 5 ani de la data fabrica\u021biei, pentru o sticl\u0103 nedeschis\u0103, asigur\u00e2nd o valoare pe termen lung \u0219i disponibilitate constant\u0103.<\/p>\n<h3>De ce autenticitatea conteaz\u0103<\/h3>\n<p>Solu\u021biile tampon originale Hanna Instruments asigur\u0103 o consecven\u021b\u0103 \u0219i o trasabilitate pe care alternativele f\u0103r\u0103 marc\u0103 nu le pot egala. Utilizarea unei solu\u021bii tampon contraf\u0103cute sau substandard risc\u0103 erori de calibrare sistematice la fiecare citire efectuat\u0103 de instrumentul dumneavoastr\u0103 \u2014 un risc pe care niciun profesionist \u00een domeniul piscinelor nu ar trebui s\u0103 \u0219i-l asume.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hanna Instruments pH 4.01 Buffer Calibration Solution 230 ml The HI7004M is a premium-quality pH 4.01 buffer calibration solution supplied in a convenient 230 ml bottle. One of the most widely used reference standards in pH measurement, it is specifically formulated to deliver accurate calibration in the acid range of the pH scale, making it<a href=\"https:\/\/www.poolparthub.com\/ro\/product\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\/\">Cite\u0219te mai departe <span class=\"sr-only\">&#8220;Hanna Instruments pH 4.01 Buffer Calibration Solution 230 ml (HI7004M)&#8221;<\/span><\/a><\/p>","protected":false},"featured_media":44521,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"bwfblock_default_font":"","inline_featured_image":false},"product_brand":[2033],"product_cat":[2095],"product_tag":[],"class_list":["post-44515","product","type-product","status-publish","has-post-thumbnail","product_brand-hanna-instruments","product_cat-products-water-testing","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":{"pph_product_template":"spare_part","pph_extra_parts_check":"","pph_spare_parts":null,"pph_extra_spare_parts":null,"extra_product_tabs":null,"main_product_link":null,"restock_info":"","exploded_view_link":null,"details_product":[{"text_details_type":"yes","text_details_product":"NIST-traceable accuracy to \u00b10.01 pH"},{"text_details_type":"yes","text_details_product":"Supplied with Certificate of Analysis per batch"},{"text_details_type":"yes","text_details_product":"Airtight, tamper-proof seal preserves solution integrity"},{"text_details_type":"yes","text_details_product":"Up to 5-year shelf life when unopened"},{"text_details_type":"yes","text_details_product":"Compatible with all Hanna pH meters and most other brands"},{"text_details_type":"no","text_details_product":"Once opened, shelf life is reduced \u2014 use promptly"},{"text_details_type":"no","text_details_product":"Fits acidic-range calibration only; additional buffers needed for full-range use"}],"details_product_exploded":null,"pph_card_badge_use_custom":false,"pph_card_badge_text":"","pph_card_badge_background_color":"#ADC2F7","pph_card_badge_border_color":"#ADC2F7","pph_card_badge_text_color":"#2B46AB"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.4 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>pH 4.01 Buffer Calibration Solution 230 ml \u2014 HI7004M<\/title>\n<meta name=\"description\" content=\"Hanna Instruments pH 4.01 Buffer Calibration Solution 230 ml (HI7004M). 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Original Pool Line product for pool and spa water analysis.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.poolparthub.com\/ro\/product\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\/\" \/>\n<meta property=\"og:site_name\" content=\"PoolPartHub\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-07T12:11:07+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.poolparthub.com\\\/product\\\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\\\/\",\"url\":\"https:\\\/\\\/www.poolparthub.com\\\/product\\\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\\\/\",\"name\":\"pH 4.01 Buffer Calibration Solution 230 ml \u2014 HI7004M\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.poolparthub.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.poolparthub.com\\\/product\\\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.poolparthub.com\\\/product\\\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.poolparthub.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/HI7004M.png\",\"datePublished\":\"2026-10-07T12:10:32+00:00\",\"dateModified\":\"2026-10-07T12:11:07+00:00\",\"description\":\"Hanna Instruments pH 4.01 Buffer Calibration Solution 230 ml (HI7004M). 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