Starches and derived products -- Determination of nitrogen content by the Kjeldahl method -- Titrimetric method
适用范围:The found value only includes free amino acids, compounds producing amino acids on hydrolysis and ammonium compounds. The principle consists in destruction of organic matter by sulphuric acid in the pr...
发布日期:1978-08-01 实施日期:1978-08-01
Animal feeding stuffs -- Determination of nitrogen content and calculation of crude protein content -- Part 1: Kjeldahl method
适用范围:ISO 5983-1:2005 specifies a method for the determination of the nitrogen content of animal feeding stuffs by the Kjeldahl process, and a method for the calculation of the crude protein content. The met...
发布日期:2005-07-01 实施日期:2005-07-01
实施日期:1994-01-01
Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation
发布日期:2014-02-28 实施日期:2014-02-28
Water quality - Determination of kjekldahl nitrogen - Method after mineralization with selenium.
Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.
Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
Milch. Bestimmung des Stickstoffgehaltes. Bestimmung des Proteinstickstoff-Gehaltes Milk-Determination of Nitrogen Content-Part 5:Determination of Protein-Nitrogen Content Lait. Determination de la ten...
适用范围:This part of ISO 8968 | IDF 20 specifies a method for the direct determination of the protein-nitrogen content of liquid milk, whole or skimmed. An alternative indirect method using calculations is als...
实施日期:2002-01-28
实施日期:2001-12-01
Processed cheese products -- Determination of nitrogen content and crude protein calculation -- Kjeldahl method
适用范围:ISO/TS 17837|IDF/RM 25:2008 specifies a method for the determination of the nitrogen content and crude protein content by calculation in processed cheese products by using the Kjeldahl principle, both ...
发布日期:2008-03-01 实施日期:2008-03-01
Milk - Determination of nitrogen content - Part 1: Kjeldahl method
适用范围:This draft standard specifies a Kjeldahl-method for the determination of the nitrogen in milk.
Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method.
Water quality. Determination of kjeldahl nitrogen. Method after mineralization with selenium first edition;(cen en 25663:1993)
适用范围:Specifies a procedure for the determination of trivalent negative nitrogen. Organic nitrogen in the form of azide, azine, azo, hydrazone, nitrite, nitro, nitroso, oxime or semicarbazone is not determin...
实施日期:1984-01-01
Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
适用范围:The document specifies a method for the determination of nitrogen by a Kjeldahl-type method. Only trivalent negative nitrogen is determined. This method is applicable to the analysis of raw, potable an...
Kunststoffe. Phenolharze. Bestimmung des Hexamethylentetramingehaltes. Kjeldahl-Verfahren,Perchlorsaeureverfahren und Salzsaeureverfahren Plastics-Phenolic Resins-Determination of Hexamethylenetetramin...
适用范围:This International Standard specifies three methods for the determination of the hexamethylenetetramine ("hexa") content of phenolic resins. The three methods are equivalent. The Kjeldahl method descri...
实施日期:2006-10-31
请选择需要导出的字段:
请选择需要导出的字段:
知识产权声明 | 服务承诺 | 联系我们 | 客户服务 | 关于我们
网络出版服务许可证:(署)网出证(京)字第072号 药品医疗器械网络信息服务备案:(京)网药械信息备字(2023)第 00470 号 信息网络传播视听节目许可证 许可证号:0108284
万方数据标准管理系统V2.0 证书号:软著登字第11198474号
京ICP证:010071 京公网安备11010802020237号 京ICP备08100800号-1
客服电话:4000115888 客服邮箱:service@wanfangdata.com.cn 违法和不良信息举报电话:4000115888 举报邮箱:problem@wanfangdata.com.cn 举报专区:https://www.12377.cn
万方数据知识服务平台--国家科技支撑计划资助项目(编号:2006BAH03B01)©北京万方数据股份有限公司 万方数据电子出版社