共找到 150 條與 擔(dān)試劑萃取光度法 相關(guān)的標(biāo)準(zhǔn)，共 10 頁
Spices and condiments - Spectrophotometric determination of the extractable colour in paprika (ISO 7541:2020)
Zpracovatel: Hydroprojekt CZ a.s., Praha, I?O 2647 5081, Ing. Lenka Fremrová; V?zkumn? ústav vodohospodá?sk? T. G. Masaryka, Praha, I?O 020 711, Ing.
Water quality - Determination of extractable matters by IR spectrometric method
本標(biāo)準(zhǔn)規(guī)定了用萃取分離-丁二酮肟分光光度法測定鎳量。本標(biāo)準(zhǔn)適用于生鐵、碳素鋼、合金鋼和精密合金中低含量鎳的測定。測定范圍：0.010％～0.50
Methods for chemical analysis of iron, steel and alloy.The extraction seperation--The dimethylglyoxime spectrophotometric method for the determination of nickel content
本標(biāo)準(zhǔn)規(guī)定了采用MIBK萃取─氯化亞錫還原吸光光度法測定銅合金中硅含量的方法原理、試劑、分析步驟和允許差。 本標(biāo)準(zhǔn)適用于錫青銅中硅含量的測定。測定范圍：0.001％～0.010
Copper alloy chemical analysis method MIBK extraction - stannous chloride reduction absorbance spectrophotometric method for determination of silicon content
本標(biāo)準(zhǔn)適用于鐵礦石、鐵精礦、燒結(jié)礦和球團(tuán)礦中釩量的測定。測定范圍：0.025～0.300
Methods for chemical analysis of iron ores--The benzoylphenylhydroxylamine extraction photometric method for the determination of vanadium content
本標(biāo)準(zhǔn)適用于生鐵、鐵粉、碳鋼、合金鋼、高溫合金、精密合金中磷量的測定。測定范圍0.001％～0.05％。 本標(biāo)準(zhǔn)遵守GB1467-78《冶金產(chǎn)品化學(xué)分析方法標(biāo)準(zhǔn)的總則及一般規(guī)定》。 本標(biāo)準(zhǔn)遵守GB7729-87《冶金產(chǎn)品化學(xué)分析分光光度法通則
Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
Manganese ores and concentrates -- Determination of phosphorus content -- Extraction-molybdovanadate photometric method
本標(biāo)準(zhǔn)適用于生鐵、鐵粉、碳鋼、合金鋼、高溫合金、精密合金中磷量的測定。測定范圍0.001%~0.05%。 本標(biāo)準(zhǔn)代替GB223.3-81《鋼鐵及合金化學(xué)分析方法 磷鉬酸銨分光光度法
Method for Chemical Analysis of Iron, Steel and Alloy Butyl Acetate Extraction Spectrophotometric Determination of Phosphorus
The method is applicable to products having phosphorus contents from 0,02 to 0,5 % (m/m). ISO 4293 should be read in conjunction with ISO 4297
Manganese ores and concentrates; Determination of phosphorus content; Extraction-molybdovanadate photometric method
本標(biāo)準(zhǔn)規(guī)定了用鉭試劑萃取光度法測定釩含量的方法。本標(biāo)準(zhǔn)適用于鋼鐵及合金中0．005 0%(m／m)～O．50%(m／m)釩含量的測定
Methods for chemical analysis of iron,steel and alloy The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
Determination of anionic synthetic detergents in drinking water by direct extraction spectrophotometry
Manganese ores and concentrates -- Determination of phosphorus content -- Extraction-molybdovanadate photometric method
本標(biāo)準(zhǔn)適用于鎳基合金粉末中磷量的測定。測定范圍：0.001％～0.05
Nickel base alloy powder--Determination of phosphorus content--N-butyl alcohol-chloroform extraction spectrophotometric method
YS/T 227的本部分規(guī)定了碲中硅含量的測定方法。 本部分適用于碲中硅含量的測定。測定范圍:0.000 5%-0.003 0
Methods for chemical analysis of tellurium-Part 11: Determination of silicon content- N-butanol extraction molybdenum blue spectrophotometry
YS/T 569的本部分規(guī)定了鉈中硅量的測定方法。 本部分適用于鉈中硅量的測定。測定范圍：0.000 2%~0.001 5
Methods for chemical analysis of thallium.Part 9:Determination of silicon content.Isoamyl alcohol extraction silicon molybdenum blue spectrophotometry
