RS ISO 6777: 1984 WATER QUALITY — DETERMINATION OF NITRITE — MOLECULAR ABSORPTION SPECTROMETRIC METHOD
7,500.00
11
82,500.00
2
Rwanda Standards
RS ISO 10304-1: 2007 WATER QUALITY — DETERMINATION OF DISSOLVED ANIONS BY LIQUID CHROMATOGRAPHY OF IONS — PART 1: DETERMINATION OF BROMIDE, CHLORIDE, FLUORIDE, NITRATE, NITRITE, PHOSPHATE AND SULFATE