{"id":4050,"date":"2021-04-13T12:39:17","date_gmt":"2021-04-13T12:39:17","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&p=4050"},"modified":"2025-12-22T09:38:21","modified_gmt":"2025-12-22T09:38:21","slug":"bromocresol-green-cas-76-60-8","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/nl\/product\/bromocresol-green-cas-76-60-8\/","title":{"rendered":"Broomkresol groen CAS 76-60-8"},"content":{"rendered":"

Broomkresol groen CAS 76-60-8<\/strong><\/h1>\n

PH Interval voor kleurverandering: 3,8 (geelgroen)-5,4 (blauw)<\/h4>\n

Maximale absorptiegolflengte (nm): \u03bb1(PH3.8)440-445<\/h4>\n

\u03bb2(PH5.4) 615-618<\/h4>\n

Massa-absorptieco\u00ebffici\u00ebnt, L\/(cm.g): \u03b11 (\u03bb1, PH3.8 droog monster)<\/h4>\n

\u03b12(\u03bb1, PH5.4 droog monster)<\/h4>\n

Ethanol opgeloste test: Test doorstaan<\/h4>\n

Verlies bij drogen: \u22643,0<\/h4>\n

Gloeirest (als SO4)%': \u22640,25<\/h4>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

Item<\/h4>\n<\/td>\n

\n

Specificaties<\/h4>\n<\/td>\n

\n

Resultaten<\/h4>\n<\/td>\n<\/tr>\n

\n

Analyse (%)<\/h4>\n<\/td>\n

\n

\u226598.5<\/h4>\n<\/td>\n

\n

98.9<\/h4>\n<\/td>\n<\/tr>\n

\n

PH Verversingsinterval kleur<\/h4>\n<\/td>\n

\n

3,8 (geelgroen)-5,4 (blauw)<\/h4>\n<\/td>\n

\n

Test doorstaan<\/h4>\n<\/td>\n<\/tr>\n

\n

Maximale absorptiegolflengte (mm)<\/h4>\n<\/td>\n

\n

\u03bb1\u00a0<\/sub>(PH3.8)440-445<\/h4>\n<\/td>\n

\n

442<\/h4>\n<\/td>\n<\/tr>\n

\n

\u03bb2\u00a0<\/sub>(PH5.4) 615-618<\/h4>\n<\/td>\n

\n

616<\/h4>\n<\/td>\n<\/tr>\n

\n

Massa-absorptieco\u00ebffici\u00ebnt, L\/(cm.g)<\/h4>\n<\/td>\n

\n

\u03b11<\/sub>(\u03bb1<\/sub>, PH3.8 droog monster) 24-28<\/h4>\n<\/td>\n

\n

25<\/h4>\n<\/td>\n<\/tr>\n

\n

\u03b12<\/sub>(\u03bb1<\/sub>, PH5.4 droog monster) 53-58<\/h4>\n<\/td>\n

\n

55<\/h4>\n<\/td>\n<\/tr>\n

\n

Ethanol opgeloste test<\/h4>\n<\/td>\n

\n

Test doorstaan<\/h4>\n<\/td>\n

\n

Test doorstaan<\/h4>\n<\/td>\n<\/tr>\n

\n

Verlies bij drogen<\/h4>\n<\/td>\n

\n

\u22643.0<\/h4>\n<\/td>\n

\n

2.1<\/h4>\n<\/td>\n<\/tr>\n

\n

Gloeirest (als SO4<\/sub>)%<\/h4>\n<\/td>\n

\n

\u22640.25<\/h4>\n<\/td>\n

\n

0.25<\/h4>\n<\/td>\n<\/tr>\n

\n

Conclusie<\/h4>\n<\/td>\n

\n

De resultaten zijn in overeenstemming met HG\/T4017-2008 indicator<\/h4>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Broomkresolgroen Gebruik<\/strong><\/h2>\n

Als belangrijke kleurstof heeft broomkresolgroen (BCG) een groot aantal toepassingen op het gebied van analyse.<\/h4>\n

1. Een methode voor het testen van het gehalte aan vr\u0133e aminen in NMP, inclusief de stappen: broomkresolgroen-methylrood-indicator bereiden; een bepaalde hoeveelheid NMP-monster in een vat nemen, isopropanol toevoegen en zachtjes schudden om te mengen; de broomkresolgroen-methylrood-indicator toevoegen en gel\u0133kmatig mengen, titreren met een standaardoplossing van zoutzuur, van groen naar geelachtig titreren; volgens de formule:% vrije amine=c*V standaard*K\/\u03c1*V, bereken The% vrije amine in het NMP monster. De onderhavige uitvinding bereidt broomkresolgroen-methylroodindicator voor en past zuur-basetitratie toe om het aminegehalte in NMP te testen. Volgens de parameters in het zuur-basetitratieproces wordt het gehalte aan vrije amine uitgedrukt als massapercentage: % vrije amine = c*V standaard*K\/\u03c1*V, evalueer de prestaties van NMP aan de hand van de testresultaten. Bovendien is de testmethode eenvoudig, handig, snel en goedkoop en kan deze op grote schaal worden gebruikt in productie en onderzoek.<\/h4>\n

2. Een testpapier met gemengde indicator voor het meten van de ammoniakconcentratie in de lucht en de bereiding en detectiemethode ervan behoren tot het technische gebied van milieubewaking en industri\u00eble hygi\u00ebne. Het testpapier is een testpapier geladen met broomkresolgroen, methylrood, zuur en niet-ionogene oppervlakteactieve stof op het basispapier; volgens de massaverhouding, broomkresolgroen: methylrood: zuur: niet-ionogene oppervlakteactieve stof = (1,0 \uff5e2,0): (0,188\uff5e0,75): (0,75\uff5e2,0): (2,5\uff5e7)\u00d710-3. De bereidingsmethode is als volgt: een weekvloeistof bereiden volgens de reagensverhouding, het basispapier weken, drogen en plastic verzegelen. De detectiemethode is als volgt: de ammoniak in de lucht in het detectiegebied reageert met het gemengde reagens van het testpapier en verandert van wijnrood in groen, en de ammoniakconcentratie in de lucht in het detectiegebied wordt verkregen aan de hand van de relatie tussen de lengte van de kleurveranderingsband van het testpapier en de ammoniakconcentratie. Het testpapier heeft de eigenschappen van gevoelige reactie, hoge precisie, lage productiekosten, geschikt gebruik, enz., en heeft uitvoerbaarheid en significante economische voordelen.
\n3. Dit product kan de zuur-base indicator methode gebruiken om de mate van deacetylatie van chitooligosacchariden te bepalen.<\/h4>\n

 <\/p>\n

Broomkresolgroen Verpakking<\/strong><\/h2>\n

1kg\/tas 25kg\/trommel.<\/h4>\n

 <\/p>\n

Broomkresolgroen Opslag<\/strong><\/h2>\n

Bewaren op een koele, droge en ventilerende plaats.<\/h4>\n

 <\/p>\n

Producten uit dezelfde serie<\/strong><\/h2>\n\n\n\n\n
\n

Broomkresolpaars<\/span><\/a><\/h4>\n<\/td>\n

\n

115-40-2<\/h4>\n<\/td>\n<\/tr>\n

\n

Broomkresolgroen<\/h4>\n<\/td>\n

\n

76-60-8<\/h4>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Neem nu contact met ons op!<\/b><\/strong><\/h2>\n

Als je een COA, MSDS of TDS nodig hebt, vul dan je contactgegevens in op het formulier hieronder. We nemen meestal binnen 24 uur contact met je op. U kunt mij ook een e-mail sturen info@longchangchemical.com<\/a><\/span> tijdens kantooruren (8:30 tot 18:00 UTC+8 ma. ~ za.) of gebruik de live chat op de website voor een snel antwoord.<\/b><\/strong><\/h4>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Chemische Naam: Bromocresolgroen<\/h4>\n

CAS: 76-60-8<\/h4>\n

Moleculaire Formule: C21H14Br4O5S<\/h4>\n

Molecuulgewicht: 698.01<\/h4>\n

Uiterlijk: Geel kristal<\/h4>","protected":false},"featured_media":4493,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[69],"product_tag":[],"class_list":{"0":"post-4050","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-catalysts-chemical-auxiliary-agents","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nChina Bromocresol green Manufacturer \uff06 Supplier - Longchang chemical Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Longchang Chemical is a leading manufacturer and supplier of Bromocresol green in China. Buy Bromocresol green in china. 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