{"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\/pt\/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>Solu\u00e7\u00e3o de Calibra\u00e7\u00e3o Tamp\u00e3o pH 4.01 Hanna Instruments 230 ml<\/h2>\n<p>O HI7004M \u00e9 uma solu\u00e7\u00e3o tamp\u00e3o de calibra\u00e7\u00e3o de pH 4,01 de qualidade premium, fornecida numa garrafa pr\u00e1tica de 230 ml. Um dos padr\u00f5es de refer\u00eancia mais utilizados na medi\u00e7\u00e3o de pH, \u00e9 formulado especificamente para proporcionar uma calibra\u00e7\u00e3o precisa na gama \u00e1cida da escala de pH, tornando-se uma ferramenta essencial para t\u00e9cnicos de piscinas e profissionais de qualidade da \u00e1gua.<\/p>\n<p>A solu\u00e7\u00e3o \u00e9 produzida de acordo com as normas ISO 3696\/BS3978, utilizando sais de alta pureza, \u00e1gua desionizada, balan\u00e7as com verifica\u00e7\u00e3o de peso e material de vidro de Classe A, num ambiente com temperatura controlada. Os valores reportados t\u00eam uma precis\u00e3o de \u00b10,01 pH a 25 \u00b0C e s\u00e3o totalmente rastre\u00e1veis at\u00e9 aos Materiais de Refer\u00eancia Padr\u00e3o NIST (SRMs), sendo cada lote fornecido com um Certificado de An\u00e1lise.<\/p>\n<h3>Compatibilidade<\/h3>\n<p>O HI7004M \u00e9 compat\u00edvel com todos os medidores de pH e el\u00e9trodos da Hanna Instruments que requeiram calibra\u00e7\u00e3o a pH 4,01. \u00c9 igualmente adequado para utiliza\u00e7\u00e3o com a maioria dos instrumentos de pH de outras marcas. \u00c9 ideal para calibra\u00e7\u00e3o de dois pontos quando associado a uma solu\u00e7\u00e3o tamp\u00e3o de pH 7,01, ou para calibra\u00e7\u00e3o de tr\u00eas pontos juntamente com solu\u00e7\u00f5es de pH 7,01 e pH 10,01 \u2014 cobrindo a totalidade das necessidades de medi\u00e7\u00e3o da \u00e1gua de piscina.<\/p>\n<h3>Fiabilidade em que pode confiar<\/h3>\n<p>Cada frasco \u00e9 herm\u00e9tico, com selo inviol\u00e1vel, e claramente identificado com o n\u00famero de lote, a data de validade e uma tabela de correla\u00e7\u00e3o pH\/temperatura, para que possa compensar a deriva t\u00e9rmica durante as medi\u00e7\u00f5es em campo. As solu\u00e7\u00f5es-tamp\u00e3o t\u00e9cnicas da Hanna s\u00e3o especialmente formuladas para terem um prazo de validade de at\u00e9 5 anos a partir da data de fabrico, estando o frasco por abrir, garantindo valor e disponibilidade a longo prazo.<\/p>\n<h3>Por que a autenticidade \u00e9 importante<\/h3>\n<p>As solu\u00e7\u00f5es tamp\u00e3o genu\u00ednas Hanna Instruments garantem a consist\u00eancia e a rastreabilidade que alternativas de marca branca n\u00e3o conseguem igualar. A utiliza\u00e7\u00e3o de uma solu\u00e7\u00e3o tamp\u00e3o contrafeita ou de qualidade inferior arrisca erros sistem\u00e1ticos de calibra\u00e7\u00e3o em todas as leituras efetuadas pelo seu instrumento \u2014 um risco que nenhum profissional de piscinas deve aceitar.<\/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\/pt\/product\/hanna-instruments-ph-4-01-buffer-calibration-solution-230-ml-hi7004m\/\">Continuar a ler <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 v28.6) - 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\/pt\/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=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minuto\" \/>\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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