نتایج جستجو برای: bromothymol blue

تعداد نتایج: 71319  

Journal: :Journal of Pharmacy and Bioallied Sciences 2011

Journal: :Journal of Chemical Education 1999

Journal: :Asian Journal of Transfusion Science 2017

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان فارس - دانشکده علوم پایه 1392

نانوذرات مغناطیسی اکسیدآهن برای جذب سطحی رنگ اریوکروم بلو، بریلیانت بلو و سافرانین-o از محلول آبی مورد استفاده قرار گرفت. اندازه میانگین و ریخت شناسی نانوذرات با استفاده از تکنیک های temو xrd مشخص شد. مطالعات جذب سطحی رنگ اریوکروم بلو، بریلیانت بلو و سافرانین- oتحت شرایط آزمایشی مختلف صورت گرفت. از قبیل میزان نانو ذره، غلظت رنگ،ph محلول، قدرت یونی و زمان تماس (زمان بهم خوردن). نتایج آزمایش نشان...

Journal: :iranian journal of health sciences 0
hamed biglari department of environmental health engineering, school of health, gonabad university of medical sciences, gonabad, iran nasibeh javan health promotion research center, zahedan university of medical sciences, zahedan, iran rasoul khosravi department of environmental health, school of medical sciences, birjand university of medical sciences, birjand, iran amin zarei

background and purpose: azo dyes including direct blue 71 (db71) are toxic, mutagenic and carcinogenic contaminants in effluents of industries. this study aimed to investigate the adsorption of db71 from aqueous solution onto pistachio hull waste (phw) as a low-cost adsorbent. materials and methods: a series of experiments were performed via batch adsorption technique to examine the effect of t...

Journal: :international journal of nano dimension 0
a. pourahmad department of chemistry, faculty of science, islamic azad university, rasht branch, rasht, iran. sh. sohrabnezhad department of chemistry, faculty of science, university of mohaghegh ardabili, ardabil, iran.

the reduction capacity of ammonia while present even at ppm level can be demonstrated by the increased encounter probability between ammonia and methylene blue dye (mb+) incorporated in nanomordenite and na-mor zeolites. the rate of reduction methylene blue dye by ammonia on the surface nanomordenite zeolite is faster than na-mordenite (na-mor) zeolite.because nanomordenite zeolite with high si...

Journal: :annals of military and health science research 0
فرزانه صادقی farzane sadeghi tehran universityدانشگاه تهران جمیله سالارآملی jamile salar amoli tehran universityدانشگاه تهران حسن گیلان پور hasan gilan poor tehran universityدانشگاه تهران مهرناز آذرنیا mehrnaz azarnia kharazmi universityدانشگاه خوارزمی طاهره علی اصفهانی tahereh aliesfehani department of toxicology, veterinary faculty, tehran university, tehran, iran.

abstract purpose: skeletal staining is a way to study the effect of many chemical or herbal substances on development of bones and cartilages in order to record the level of probable deformity.this article aimed to present a modified protocol to make all skeletal studies on laboratory animals possible. materials and methods: the important notes about skeletal staining were fixing by ethanol and...

Journal: :journal of physical & theoretical chemistry 2008
a. mohammad dehqan m. reza shishehbore n. nasirizadeh

the present work reports a kinetic spectrophotometric method for the determination of traceamounts of sulphite that is based on inhibitory effect of sulphite on the oxidation of methyleneblue (mb) in acidic media. the reaction is followed spectrophotometrically by monitoring thedecrease in absorbance of mb at 664 nm with a fixed time of 0.5-4.5 minutes. it was found thatsulphite exert a strong ...

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