共找到 150 條與 亞砷酸鹽-亞硝酸鹽滴定法 相關(guān)的標(biāo)準(zhǔn)，共 10 頁
1.1 This test method covers the determination of phosphorus in iron ores, concentrates, and agglomerates. 1.2 This test method covers
Standard Test Method for Determination of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry
Determination of arsenic content in naphtha (potassium borohydride-silver nitrate spectrophotometry)
Determination of plutonium in nitric acid solutions — Method by oxidation by cerium(IV), reduction by iron(II) ammonium sulfate and amperometric back-titration with potassium dichromate
Based on dissolution of a test sample in water. Distillation of the ammonia after displacement by an alkali solution. Absorption in an excess
Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
Ammonium nitrate for industrial use. Method for determination of total nitrogen content (titrimetric) after distillation
本標(biāo)準(zhǔn)規(guī)定了測定土壤中總砷的硼氫化鉀-硝酸銀分光光度法。 本標(biāo)準(zhǔn)方法的檢出限為02mg/kg（按稱取05g試樣計(jì)算）。能形成共價(jià)氫化物的銻、鉍、錫、硒和碲的含量為砷的20倍時(shí)可用二甲基甲酰胺-乙醇胺浸漬的脫脂棉除去，否則不能使用本方法。硫化物對測定有正干擾，在試樣氧化分解時(shí)，硫化物已被
Soil quality--Determination of total arsenic--Spectrophotometric method with potassium borohyride and silver nitrate
本標(biāo)準(zhǔn)適用于測定天然水、鍋爐水和循環(huán)冷卻水中亞硝酸。測定范圍：0一0．4mg／L，高于此濃度范圍，可適當(dāng)稀釋后再測定
Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
De norm is van toepassing op alle soorten grond. De detectiegrens is afhankelijk van het gebruikte toestel; in het algemeen kunnen arseengehalten
Soil - Determination of arsenic content by atomic absorption spectrometry (hydride generation technique) after destruction with nitric acid and hydrochloric acid
La presente norma è la versione ufficiale in lingua inglese della norma europea EN 12014-3 (edizione maggio 2005). La norma specifica un metodo
Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
1.1 This test method covers the determination of phosphorus in iron ores, concentrates, and agglomerates. 1.2 This test method covers
Standard Test Method for the Determiniation of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry
本標(biāo)準(zhǔn)規(guī)定了食品中亞硝酸鹽和硝酸鹽的測定方法。本標(biāo)準(zhǔn)適用于食品中亞硝酸鹽和硝酸鹽的測定。亞硝酸酸鹽方法檢出限為1mg/kg，硝酸鹽方法檢出限為1.4mg/kg
Determination method of nitrite and nitrate in food
本文件規(guī)定了硝酸銀滴定法測定鹵水中氯化物含量的方法。 本文件適用于鹵水中氯化物含量的測定。測定范圍（以Cl-計(jì)，質(zhì)量分?jǐn)?shù)）：0.104 % ~ 43
Analysis methods for brine Part 4: Determination of chloride Silver nitrate titration
This test method is intended to be used for compliance with compositional specifications for phosphorus content. It is assumed that all who use
Standard Test Method for Determination of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry
Methods of chemical analysis of pyrotechnics Part 15: Determination of strontium nitrate and strontium carbonate content complex titration method
Reaaents. Si Iver nitrate. Determination ofsulphates content. Turbidimetric method
