共找到 150 條與 硫脲 相關的標準，共 10 頁
本文件描述了硫脲絡合沉淀法測定高溫形狀記憶合金中鉑含量的方法。該方法適用于高溫形狀記憶合金中鉑含量的測定，測定范圍（質量分數）為30.00%~70.00
High temperature shape memory alloy chemical analysis method Determination of platinum content Thiourea complex precipitation method
本標準規定了鉑釕合金中釕量的測定方法。 本標準適用于鉑釕合金中釕量的測定。測定范圍：5%-10
Method for chemical analysis of precious metals alloys.Platinum-ruthenium alloys.Determination of ruthenium content.Thiourea spectrophotometry
La presente norma è la versione ufficiale in lingua italiana della norma europea EN 1899-1 (edizione marzo 1998). La norma specifica una
Water quality - Determination of biochemical oxygen demand after n days (BODn) - Dilution and seeding method with allylthiourea addition
What is ISO 5815 ? 1 - BOD with allylthiourea addition about? ISO 5815 ? 1 is the first part of the ISO 5815 multi-series
Water quality. Determination of biochemical oxygen demand after n days (BODn) - Dilution and seeding method with allylthiourea addition
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Water quality-Determination of biochemical oxygen demand after n days(BODn)-Part 1:Dilution and seeding method with allythiourea addition
This part of ISO 5815 specifies a determination of the biochemical oxygen demand of waters by dilution and seeding with suppression of nitrification
Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allythiourea addition
This document specifies the determination of the biochemical oxygen demand of waters by dilution and seeding with suppression of nitrification after 5
Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019)
JB/T 7776的本部分規定了銀氧化鎘電觸頭材料中鉍量的測定方法。 本部分適用于銀氧化鎘電觸頭材料中鉍量的測定。測定范圍：0.05%～0.50
Test method for chemical analysis of silver-cadmium oxide electric contact material. Part 5: Determination of bismuth content
JB/T 7774的本部分規定了銀氧化鋅電觸頭材料中鉍量的測定方法。 本部分適用于銀氧化鋅電觸頭材料中鉍質量分數的測定。測定范圍:0.05%-0.50
Test methods for chemical analysis of silver-zinc oxide electric contact material.Part 3:Determination of bismuth content
本標準規定了地質物料中銥的測定方法。 本標準適用于超基性巖等含鉑族元素的巖石及地質物料中銥的測定。測定范圍：1×10-9～5×10
Methods for analysis of noble metals in geochemical samples--Determination of iridium content-Preconcentration by thiourea-Catalytic spectrophotometric method
本標準規定了地質物料中鉑和銠的測定方法。 本標準適用于超基性巖等含鉑族元素的巖石及地質物料中鉑和銠的測定。測定范圍：鉑2×10-9~5×10-6。銠1×10-9~0.5×10
Methods for analysis of noble metals in geochemical samples--Determination of platinum and rhodium content-Preconcentration by thiourea-Catalytic polarographic method
Specifies a determination of the biochemical oxygen demand of waters by dilution and seeding with suppression of nitrification. Is applicable to all
Water quality - Determination of biochemical oxygen demand after "n" days (BODn) Part 1: Dilution and seeding method with allylthiourea addition
The document describes a method for the empirical and conventionel determination of the biochemical oxygen demand of water by dilution and seeding
Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea acid addition (ISO 5815:1989, modified); German version EN 1899-1:1998
使用SN/T 3315的本部分的人員應有正規實驗室工作的實踐經驗。本部分并未指出所有可能的安全問題，使用者有責任采取適當安全和健康措施，并保證符合國家有關法規的條件。 范圍:SN/T 3315的本部分規定了采用氫氧化鈉/硫脲/尿素法測定去除非纖維物質后的粘膠纖維、再生竹纖維、莫代爾纖維、銅氨纖維
Textiles.Quantitative analysis of regeneration cellulose fiber and cotton.Part 7:Sodium hydroxide/thiourea/urea method
Iron and steel -- Determination of lead -- Part 2: Spectrophotometric method after solvent extraction of iron and extraction of diphenylthiocarbazone complex
