Chemical analysis methods and determination of physical performance of alumina-Determination of boron trioxide content-Curcumin spectrophotometric method
适用范围:本标准规定了氧化铝中三氧化二硼含量的测定方法。 本标准适用于氧化铝中三氧化二硼含量的测定。测定范围:0.0001%~0.015%。
发布日期:2004-02-05 实施日期:2004-07-01
Pruefverfahren fuer Gewuerzen. Bestimmung des Faerbungsvermoegens von Kurkuma Methods of Test for Spices and Condiments Part 13:Determination of Colouring Power of Turmeric Methodes d'essai des epices....
适用范围:Spectrophotometric method. Colouring power is reported as curcuminoids content expressed as curcumin as percentage by mass.
实施日期:1983-01-01
Steel. Determination of boron content. Curcumin spectrophotometric method after distillation
适用范围:Steels, Chemical analysis and testing, Determination of content, Boron, Spectrophotometry, Distillation methods of analysis, Curcumin
Methods for chemical analysis of iron,steel and alloy--The methanol distillation-curcumin photometric method for the determination of boron content
实施日期:1992-06-01
Determination of boron(III) oxide in refractory products -- Part 2: Acid extraction method for the determination of boron(III) oxide in binder components
适用范围:ISO 21078-2:2006 specifies procedures of chemical analysis for the determination of boron(III) oxide used as a binder component added to aluminosilicate refractories, using an acid extraction method. I...
发布日期:2006-12-01 实施日期:2006-12-01
Method of Test for Boron in Water (Curcumin Colorimetric Method)
发布日期:1980-05-24 实施日期:1980-05-24
Iron,steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric method
适用范围:GB/T 223的本部分规定了用甲醇蒸馏-姜黄素光度法测定硼含量。 本部分适用于碳钢、合金钢、高温合金及精密合金中质量分数为0.0005%~0.20%硼含量的测定。
发布日期:2008-05-13 实施日期:2008-11-01
Determination of boron in uranium dioxide pellets by curcumin extraction spectrophotometric method
适用范围:本标准规定了二氧化铀芯块中硼测定的方法提要、试剂和材料、仪器和设备、试样、分析步骤、结果计算及方法精密度。 本标准适用于二氧化铀芯块中硼的测定,也适用于核纯八氧化三铀中硼的测定。当二氧化铀取样量为0.5g时,硼含量...
发布日期:2008-06-19 实施日期:2009-04-01
Steel - Determination of boron content - Curcumin spectrophotometric method after distillation
适用范围:This International Standard specifies a method for the determination of the boron content in steel using a curcumin spectrophotometric method after distillation. The method is applicable to a boron con...
Nickel and nickel alloys -- Determination of total boron content -- Curcumin molecular absorption spectrometric method
适用范围:The principle of the method specified is dissolving a test portion in hydrochloric and nitric acids, decomposing resistant boron compounds (e.g. boron nitrides) by fuming the sample solution with phosp...
发布日期:1993-08-01 实施日期:1993-08-01
Spices and condiments. Turmeric. Determination of colouring power. Spectrophotometric method.
实施日期:1982-06-01
Methods for chemical analysis of superalloys-Part 40:Determination of boron content by methanol distillation-curcumin photometric method
适用范围:本部分规定了用甲醇蒸馏-姜黄素吸光光度法测定高温合金中硼含量的原理、试剂及材料、仪器、取制样、分析步骤、分析结果的计算、允许差和质量控制与要求。本部分适用于高温合金中硼含量的测定。测定范围:0.0005%~0.20%。
发布日期:2008-04-02 实施日期:2008-10-01
Steel -- Determination of boron content -- Curcumin spectrophotometric method after distillation
发布日期:1997-08-01 实施日期:1997-08-01
Determination of boron (Curcumin method)
适用范围:本标准规定了用姜黄素分光光度法测定水中的硼。
发布日期:1995-05-01 实施日期:1995-05-01
Methods for the chemical analysis of aluminium oxide--The curcumin photometric method for the determination of boron trioxide content
实施日期:1987-06-30
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