共找到 150 條與 偏重亞硫酸鈉(焦亞硫酸鈉) 相關(guān)的標準，共 10 頁
Sulphuric acid and oleum for industrial use. Determination of sulphur dioxside content. Barium sulphate gravimetric method
La présente Norme Internationale spécifie une méthode gravimétrique de dosage des sulfates dans le sulfate de potassium à usage industriel
Potassium sulphate for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
Zpracovatel: Spolek pro chemickou a hutní v?robu, n. p., ?stí nad Labem, Franti?ek Marek, Lenka Hilbertová Oborové normaliza?ní st?edisko
Sodium metabisulphite technical grade
本文件規(guī)定了用硫酸鋇重量法測定硫酸根和亞硫酸根含量的原理、試劑、取制樣、分析步驟、分析結(jié)果的計算、精密度和試驗報告等。 本文件適用于燒結(jié)煙氣脫硫灰中硫酸根和亞硫酸根含量的測定。測定范圍（質(zhì)量分數(shù)）硫酸根5.0%～25.0%，亞硫酸根10.0%～35.0
Determination of sulfate and sulfite content in sintering flue gas desulfurization ash. Barium sulfate gravimetric method.
1 Prezentul standard se refer? la pirosulfitul de sodiu tehnic cunoscut ?i sub denumirea de metabisulfit de sodiu ?i utilizat ?n principal ?n
Sodium pyrosulfite technical grade
本標準規(guī)定用硫酸鋇重量法測定明礬石礦石中5.00～30.00%的硫酸鹽硫的含量
Alunite ores--Determination of sulphur content for sulphate--Barium sulphate gravimetric method
Przedmiotem normy jest zasadowy dwusiarczan o?owiawy o wzorze 2PbS04. Pb(OH)2maj?cy zastosowanie do wyrobów lakierowych i pow?ok antykorozyjnych
Alkaline. Lead bisulfate
The method is applicable to products having sulphate contents equal to or greater than 0, 1 % (m/m). The principle consists in precipitation
Hydrochloric acid for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
Technical sodium pyrosulfite. Specifications
This standard prescribes the requirements and the methods of sampling and test for potassium metabisulphite for use as food preservative
Specification for food grade potassium metabisulfite
本標準規(guī)定了食品添加劑焦亞硫酸酸鈉的要求、試驗方法、檢驗規(guī)則、標志、包裝、運輸、貯存。 本標準適用于食品添加劑焦亞硫酸鈉，該產(chǎn)品主要用于食品加工中作防腐劑、漂白劑、疏松劑。 分子式：Na2S2O5 相對分子質(zhì)量：190.12(按1995年國際相對原子質(zhì)量
Food additive. Sodium metabisulphite
Sulphuric acid and oleum for industrial use. Determination of ash. Gravimetric method
Sodium sulphate for industrial use. Determination of sulphate content. Calculation method and barium sulphate gravimetric method.
Sodium sulphate for industrial use; Determination of sulphates content; Calculation method and barium sulphate gravimetric method
Potassium Metabisulphite, Photographic Grade-Specification
