A Indirect Colorimetric Method for the Determination of Barium

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

New Enzymatic Colorimetric Method for the Quantitative Determination of Phenylalanine in Dry-Blood Spots

Phenylketonuria (PKU) is an autosomal recessive disorder, which is characterized by severe mental retardation, microcephaly and seizures. The symptoms of this disease can be prevented if detected soon after birth. Therefore, blood Phenylalanine (Phe) measurement is essential for the early diagnosis, treatment and dietary monitoring of PKU patients. The goal of this research was to introduce a r...

متن کامل

the innovation of a statistical model to estimate dependable rainfall (dr) and develop it for determination and classification of drought and wet years of iran

آب حاصل از بارش منبع تأمین نیازهای بی شمار جانداران به ویژه انسان است و هرگونه کاهش در کم و کیف آن مستقیماً حیات موجودات زنده را تحت تأثیر منفی قرار می دهد. نوسان سال به سال بارش از ویژگی های اساسی و بسیار مهم بارش های سالانه ایران محسوب می شود که آثار زیان بار آن در تمام عرصه های اقتصادی، اجتماعی و حتی سیاسی- امنیتی به نحوی منعکس می شود. چون میزان آب ناشی از بارش یکی از مولفه های اصلی برنامه ...

15 صفحه اول

A colorimetric method for the determination of glucosamine and chondrosamine.

A COLORIMETRIC method for the determination of glucosamine has recently been described by Zuckerkandl and Messiner-Klebermass [1931]. According to their procedure the test-solution, which should contain between 1 and 4 mg. glucosamine hydrochloride, is evaporated to dryness and treated with a freshly prepared solution of sodium methoxide. The free glucosamine base is then cautiously acetylated ...

متن کامل

A sensitive method for the colorimetric determination of urea.

A method is described for the direct colorimetric determination of urea in biological fluids. The method depends on the reaction (first described by Wheatley, 1948) between urea, diacetylmonoxime, and phenylanthranilic acid in the presence of controlled amounts of oxidant; chloride ions are included to sensitize the reaction; manganous ions stabilize the resultant colour; and phosphate enables ...

متن کامل

A colorimetric method for the determination of methylamine in urine.

In the course of feeding experiments in which mono-, di-, and trimethylamines were fed to dogs, it was desirable to determine the urinary excretion of methylamine (monomethylamine). The available methods were found to be cumbersome and not well adapted to the routine analysis of a large number of urines. Weber and Wilson (1) separated ammonia from the amines by the use of yellow mercuric oxide ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nippon kagaku zassi

سال: 1953

ISSN: 0369-5387,2185-0917

DOI: 10.1246/nikkashi1948.74.796