A NEW SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF MICROGRAM AMOUNTS OF SELENIUM

[1] Sensitive and specific reactions of nitrate and hydroxylamine. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1926, 59 : 121 - 125

[2] Boltz D., 1958, CHEM ANAL-WARSAW, V3, P124

[3] FEIGL F, 1937, MIKROCHIM ACTA, V1, P134

[4] EXTRACTION OF CUPFERRATES [J]. ANALYTICAL CHEMISTRY, 1949, 21 (11) : 1325 - 1330

[5] Griess P., 1879, CHEM BER, V12, P426, DOI DOI 10.1002/CBER.187901201117

[6] A high sensitive and by all means specific reaction on nitrate. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1925, 58 : 2335 - 2340

[7] KOLTHOFF IM, 1961, TREATISE ANALYTICA 2, V7

[8] The reactions of selenium-dioxide with some aryl-hydrazines [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1936, 69 : 1913 - 1916

[9] COLORIMETRIC DETERMINATION OF NITRITES [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1946, 18 (02): : 96 - 99

[10] SANDELL EB, 1959, COLORIMETRIC DETERMI

[1] Sensitive and specific reactions of nitrate and hydroxylamine. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1926, 59 : 121 - 125

[2] Boltz D., 1958, CHEM ANAL-WARSAW, V3, P124

[3] FEIGL F, 1937, MIKROCHIM ACTA, V1, P134

[4] EXTRACTION OF CUPFERRATES [J]. ANALYTICAL CHEMISTRY, 1949, 21 (11) : 1325 - 1330

[5] Griess P., 1879, CHEM BER, V12, P426, DOI DOI 10.1002/CBER.187901201117

[6] A high sensitive and by all means specific reaction on nitrate. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1925, 58 : 2335 - 2340

[7] KOLTHOFF IM, 1961, TREATISE ANALYTICA 2, V7

[8] The reactions of selenium-dioxide with some aryl-hydrazines [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1936, 69 : 1913 - 1916

[9] COLORIMETRIC DETERMINATION OF NITRITES [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1946, 18 (02): : 96 - 99

[10] SANDELL EB, 1959, COLORIMETRIC DETERMI