{"id":10515,"date":"2025-03-07T12:16:46","date_gmt":"2025-03-07T12:16:46","guid":{"rendered":"https:\/\/vivalr.com\/product\/10515.html"},"modified":"2025-03-07T12:41:16","modified_gmt":"2025-03-07T12:41:16","slug":"factory-supply-bromocresol-purple-cas-115-40-2-with-low-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/10515.html","title":{"rendered":"Fornecimento de f\u00e1brica de bromocresol roxo cas 115-40-2 com pre\u00e7o baixo"},"content":{"rendered":"
    \n
  1. Informa\u00e7\u00f5es e par\u00e2metros b\u00e1sicos<\/a><\/li>\n
  2. Utiliza\u00e7\u00f5es do produto<\/a><\/li>\n
  3. Como utilizar o produto<\/a><\/li>\n
  4. Estudos de casos de utiliza\u00e7\u00e3o<\/a><\/li>\n
  5. Informa\u00e7\u00f5es de contacto<\/a><\/li>\n<\/ol>\n

    Informa\u00e7\u00f5es e par\u00e2metros b\u00e1sicos<\/h2>\n

    O produto que estamos introduzindo \u00e9 o fornecimento de f\u00e1brica de roxo de bromocresol com o n\u00famero CAS 115 - 40 - 2. O roxo de bromocresol \u00e9 um corante indicador de pH. Ele tem uma f\u00f3rmula molecular de C\u2082\u2081H\u2081\u2086Br\u2082O\u2085S. O peso molecular da p\u00farpura de bromocresol \u00e9 de aproximadamente 540,22 g\/mol. Este produto \u00e9 apresentado numa forma s\u00f3lida, geralmente como um p\u00f3 de cor p\u00farpura. Tem boa solubilidade em etanol e \u00e9 ligeiramente sol\u00favel em \u00e1gua. O ponto de fus\u00e3o da p\u00farpura de bromocresol \u00e9 de cerca de 240 - 242\u00b0C. O intervalo de transi\u00e7\u00e3o de pH da p\u00farpura de bromocresol \u00e9 de 5,2 (amarelo) a 6,8 (p\u00farpura). Isto torna-o uma ferramenta muito \u00fatil em v\u00e1rias experi\u00eancias qu\u00edmicas e biol\u00f3gicas em que \u00e9 necess\u00e1rio monitorizar o pH.<\/p>\n

    Utiliza\u00e7\u00f5es do produto<\/h2>\n

    1. **An\u00e1lise qu\u00edmica**: A p\u00farpura de bromocresol \u00e9 amplamente utilizada em laborat\u00f3rios qu\u00edmicos como indicador de pH. Pode ser utilizado em titula\u00e7\u00f5es \u00e1cido-base para determinar o ponto de equival\u00eancia. Quando o pH da solu\u00e7\u00e3o muda atrav\u00e9s do intervalo de transi\u00e7\u00e3o de 5,2 - 6,8, a cor da solu\u00e7\u00e3o muda de amarelo para p\u00farpura, o que fornece um sinal visual claro para o ponto final da titula\u00e7\u00e3o.
    \n2. **Investiga\u00e7\u00e3o biol\u00f3gica**: Na investiga\u00e7\u00e3o biol\u00f3gica, \u00e9 utilizado para monitorizar as altera\u00e7\u00f5es de pH em culturas de c\u00e9lulas, processos de fermenta\u00e7\u00e3o e outros sistemas biol\u00f3gicos. Por exemplo, numa experi\u00eancia de fermenta\u00e7\u00e3o microbiana, o pH do meio de cultura pode mudar \u00e0 medida que os microrganismos crescem e metabolizam. Ao adicionar p\u00farpura de bromocresol ao meio, os investigadores podem facilmente observar e controlar o pH para garantir condi\u00e7\u00f5es de crescimento \u00f3ptimas para os microrganismos.
    \n3. **Monitoriza\u00e7\u00e3o ambiental**: Tamb\u00e9m pode ser utilizado em ci\u00eancias ambientais para medir o pH de amostras de \u00e1gua. Por exemplo, na monitoriza\u00e7\u00e3o da qualidade de massas de \u00e1gua naturais, como lagos e rios, a p\u00farpura de bromocresol pode ajudar a determinar rapidamente se a \u00e1gua \u00e9 \u00e1cida, neutra ou alcalina.<\/p>\n

    Como utilizar o produto<\/h2>\n

    1. **Prepara\u00e7\u00e3o da solu\u00e7\u00e3o indicadora**: Em primeiro lugar, pesar com exatid\u00e3o uma quantidade adequada de p\u00farpura de bromocresol em p\u00f3. Dissolv\u00ea-lo em etanol ou noutros solventes adequados de acordo com a concentra\u00e7\u00e3o necess\u00e1ria. Normalmente, \u00e9 utilizada uma solu\u00e7\u00e3o de 0,04% (p\/v) em etanol. Agitar bem a solu\u00e7\u00e3o at\u00e9 que o p\u00f3 esteja completamente dissolvido.
    \n2. **Utiliza\u00e7\u00e3o em titula\u00e7\u00e3o**: Numa titula\u00e7\u00e3o \u00e1cido-base, adicionar algumas gotas da solu\u00e7\u00e3o indicadora de p\u00farpura de bromocresol preparada \u00e0 solu\u00e7\u00e3o do analito. Em seguida, adicionar lentamente a solu\u00e7\u00e3o titulante, agitando constantemente o frasco. Observar a mudan\u00e7a de cor da solu\u00e7\u00e3o. Quando a cor come\u00e7a a mudar de amarelo para p\u00farpura e permanece est\u00e1vel durante alguns segundos, a titula\u00e7\u00e3o atingiu o ponto final.
    \n3. **Utiliza\u00e7\u00e3o em amostras biol\u00f3gicas e ambientais**: Para amostras biol\u00f3gicas, tais como culturas de c\u00e9lulas, adicionar uma pequena quantidade da solu\u00e7\u00e3o indicadora diretamente ao meio. Observar a mudan\u00e7a de cor ao longo do tempo. Em amostras ambientais de \u00e1gua, tomar um certo volume da amostra de \u00e1gua e adicionar a solu\u00e7\u00e3o indicadora. Comparar a cor da amostra de \u00e1gua com uma tabela de cores padr\u00e3o para determinar o valor aproximado do pH.<\/p>\n

    Estudos de casos de utiliza\u00e7\u00e3o<\/h2>\n

    1. **Titula\u00e7\u00e3o \u00e1cido-base num laborat\u00f3rio de qu\u00edmica**: Um grupo de estudantes de um laborat\u00f3rio de qu\u00edmica estava a realizar uma experi\u00eancia de titula\u00e7\u00e3o \u00e1cido-base para determinar a concentra\u00e7\u00e3o de uma solu\u00e7\u00e3o desconhecida de \u00e1cido clor\u00eddrico. Utilizaram uma solu\u00e7\u00e3o de hidr\u00f3xido de s\u00f3dio como titulante e p\u00farpura de bromocresol como indicador. Ao adicionarem cuidadosamente a solu\u00e7\u00e3o de hidr\u00f3xido de s\u00f3dio \u00e0 solu\u00e7\u00e3o de \u00e1cido clor\u00eddrico com o indicador, puderam observar claramente a mudan\u00e7a de cor de amarelo para p\u00farpura. Ap\u00f3s v\u00e1rias tentativas de titula\u00e7\u00e3o e c\u00e1lculos, determinaram com exatid\u00e3o a concentra\u00e7\u00e3o da solu\u00e7\u00e3o de \u00e1cido clor\u00eddrico, o que os ajudou a compreender melhor os princ\u00edpios e procedimentos da titula\u00e7\u00e3o \u00e1cido-base.
    \n2. **Monitoriza\u00e7\u00e3o da Fermenta\u00e7\u00e3o numa Empresa de Biotecnologia**: Uma empresa de biotecnologia estava a produzir um determinado tipo de enzima atrav\u00e9s de fermenta\u00e7\u00e3o microbiana. Adicionaram p\u00farpura de bromocresol ao meio de fermenta\u00e7\u00e3o para monitorizar as altera\u00e7\u00f5es de pH durante o processo de fermenta\u00e7\u00e3o. \u00c0 medida que os microorganismos cresciam e produziam a enzima, o pH do meio diminu\u00eda gradualmente. Quando a cor do meio mudou de p\u00farpura para amarelo, indicando uma diminui\u00e7\u00e3o do pH, a empresa ajustou a estrat\u00e9gia de alimenta\u00e7\u00e3o dos nutrientes e a adi\u00e7\u00e3o de solu\u00e7\u00f5es tamp\u00e3o para manter o pH \u00f3timo para a produ\u00e7\u00e3o de enzimas. Como resultado, melhoraram significativamente o rendimento e a qualidade da enzima.<\/p>\n

    Informa\u00e7\u00f5es de contacto<\/h2>\n

    Se tiver alguma d\u00favida ou precisar de mais informa\u00e7\u00f5es sobre o produto, n\u00e3o hesite em contactar-nos. O nosso correio eletr\u00f3nico \u00e9 info@vivalr.com e o nosso n\u00famero de telefone \u00e9 (86) 15866781826.<\/p>","protected":false},"excerpt":{"rendered":"

    Basic Information and Parameters Uses of the Product How to Use the Product Usage Case Studies Contact Information Basic Information and Parameters The product we are introducing is Factory Supply bromocresol purple with CAS number 115 - 40 - 2. Bromocresol purple is a pH indicator dye. It has a molecular formula of C\u2082\u2081H\u2081\u2086Br\u2082O\u2085S. The […]<\/p>","protected":false},"featured_media":26304,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-10515","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","8":"first","9":"instock","10":"product-type-simple"},"yoast_head":"\nFactory Supply bromocresol purple cas 115-40-2 With Low Price - Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vivalr.com\/pt\/product\/10515.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factory Supply bromocresol purple cas 115-40-2 With Low Price\" \/>\n<meta property=\"og:description\" content=\"Basic Information and Parameters Uses of the Product How to Use the Product Usage Case Studies Contact Information Basic Information and Parameters The product we are introducing is Factory Supply bromocresol purple with CAS number 115 - 40 - 2. 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