The reaction between calcium and alizarin (ALZ) was investigated for the spectrophotometric determination of trace amounts of calcium. The cationic surfactant, cetyltrimethylammonium bromide (CTAB) was useful to increase the sensitivity. The beta-correction method was applied for the determination of the properties of the Ca-ALZ complex instead of ordinary spectrophotometry. Results showed that the complex formed, expressed as Ca(ALZ)2, has a real molar absorptivity equal to 3.74×10³ L mol-1 cm-1 at 630 nm
Alizarin, which consists of 1,2 dihydroxyanthraquinone, is the common madder of the anthraquinoid pi...
Dorogi PL, Santarius U, Neumann E. Arsenazo I and tetramethylmurexide as optical calcium indicators....
An improved method of estimating serum calcium by the AutoAnalyzer using the reagent glyoxal-bis- (2...
The reaction between calcium and alizarin (ALZ) was investigated for the spectrophotometric determin...
Calcium is a necessary trace element in the human body, and its low or high content in the human bod...
A spectrophotometric method for the direct determination of microgram quantities of calcium in serum...
A selective method is described for the spectrophotometric determination of calcium using glyoxal bi...
The anthor found that azocal-A reacts only with calcium, and devised a direct colorimetric, and a di...
Calcium in water was determined by a spectrophotometric method involving flow injection coupled with...
We describe an analytical procedure for determining serum calcium, using the ligand Arsenazo III in ...
The author improved the accuracy of the direct colori metric method of calcium determination with az...
For the estimation of the blood serum calcium, the YANAGISAWA method of colorimetry, and the chelate...
Alizarin blue combining with zinc formed a colored complex at pH 5.6, and was extracted from aqueous...
A simple, rapid, accurate, and reproducible method for serum calcium has been de-veloped utilizing a...
A simple micro (0.1 ml.) colorimetric method is described for the determination of serum calcium. Th...
Alizarin, which consists of 1,2 dihydroxyanthraquinone, is the common madder of the anthraquinoid pi...
Dorogi PL, Santarius U, Neumann E. Arsenazo I and tetramethylmurexide as optical calcium indicators....
An improved method of estimating serum calcium by the AutoAnalyzer using the reagent glyoxal-bis- (2...
The reaction between calcium and alizarin (ALZ) was investigated for the spectrophotometric determin...
Calcium is a necessary trace element in the human body, and its low or high content in the human bod...
A spectrophotometric method for the direct determination of microgram quantities of calcium in serum...
A selective method is described for the spectrophotometric determination of calcium using glyoxal bi...
The anthor found that azocal-A reacts only with calcium, and devised a direct colorimetric, and a di...
Calcium in water was determined by a spectrophotometric method involving flow injection coupled with...
We describe an analytical procedure for determining serum calcium, using the ligand Arsenazo III in ...
The author improved the accuracy of the direct colori metric method of calcium determination with az...
For the estimation of the blood serum calcium, the YANAGISAWA method of colorimetry, and the chelate...
Alizarin blue combining with zinc formed a colored complex at pH 5.6, and was extracted from aqueous...
A simple, rapid, accurate, and reproducible method for serum calcium has been de-veloped utilizing a...
A simple micro (0.1 ml.) colorimetric method is described for the determination of serum calcium. Th...
Alizarin, which consists of 1,2 dihydroxyanthraquinone, is the common madder of the anthraquinoid pi...
Dorogi PL, Santarius U, Neumann E. Arsenazo I and tetramethylmurexide as optical calcium indicators....
An improved method of estimating serum calcium by the AutoAnalyzer using the reagent glyoxal-bis- (2...