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共找到 150 條與 鎢化合物 相關(guān)的標(biāo)準(zhǔn),共 10 頁(yè)

本標(biāo)準(zhǔn)規(guī)定了監(jiān)測(cè)工作場(chǎng)所空氣中鎢及其化合物濃度的方法。 本標(biāo)準(zhǔn)適用于工作場(chǎng)所空氣中鎢及其化合物濃度的測(cè)定

Methods for determination of tungsten and its compounds in the air of workplace

GBZ/T300的本部分規(guī)定了工作場(chǎng)所空氣中鎢及其化合物的酸消解-硫氰酸鉀分光光度法。 本部分適用于工作場(chǎng)所空氣中氣溶膠態(tài)鎢及其化合物濃度的檢測(cè)

Determination of Toxic Substances in Workplace Air Part 28: Tungsten and Its Compounds

本標(biāo)準(zhǔn)規(guī)定了鎧化合物中氯含量的測(cè)定方法。 本標(biāo)準(zhǔn)適用于硝酸包、硫酸包、醋酸包、四(三茶基騰)包.三(二亞下基丙酮)二包等色化合物中氯仿量的測(cè)定。測(cè)定范圍見(jiàn)表 1。 表1 測(cè)定范圍試樣 質(zhì)量分?jǐn)?shù)/% 硝酸包、硫酸鎧 0.001 00一0.030 0醋酸包、四(三萊基有)包.三(二亞?wèn)|基丙酮)二包

Method for chemical analysis of palladium compounds—Determination of chlorine content—Ion chromatography

Silicotungstic acid 26 hydrate

Sodium tungstate (VI) dihydrate (Reagent)

本文件描述了測(cè)定鎢及鎢合金中鉍和砷含量的方法。適用于鎢粉、鎢酸、鎢條、三氧化鎢、藍(lán)鎢、紫鎢、碳化鎢、偏鎢酸銨、仲鎢酸銨中鉍和砷含量的測(cè)定。測(cè)定范圍(質(zhì)量分?jǐn)?shù))為0.00001%~0.020

Methods of chemical analysis of tungsten Part 2: Determination of bismuth and arsenic content

Determination of tungsten, chromium, molybdenum, vanadium, and titanium in natural uranium tetra-fluoride by inductively coupled plasma-atomic emission spectroscopy

Specification for Tungsten and Oxide Dispersed Tungsten Electrodes for Arc Welding and Cutting

This standard prescribes requirements for the classification of nonconsumable tungsten electrodes for inert gas shielded arc welding, and for plasma

Specification for Tungsten and Oxide Dispersed Tungsten Electrodes for Arc Welding and Cutting

Change specification number suffix to read MIL-T-23132A(NAVY) throughout the document

TUNGSTEN DELAY COMPOSITION

This specification covers the minimum requirements for the procurement of tungsten delay composition

TUNGSTEN DELAY COMPOSITION

本標(biāo)準(zhǔn)適用于粉末冶金熔滲法生產(chǎn)的碳化鎢銅合金。該產(chǎn)品主要用作真空開(kāi)關(guān)管的觸頭材料

Tungsten Carbide-Copper alloy

MIL-T-23 132A, dated 16 June 1972, and Amendment 1, dated 3 January 1973, are hereby reactivated and may be used for either new or existing design

TUNGSTEN DELAY COMPOSITION

MIL-T-23132A(AS) (l), dated 3 January 1973, has been reviewed and determined to be valid for use in acquisition

TUNGSTEN DELAY COMPOSITION

Spracovatel: Oravské fcrozliatinárske závody, n. p.. Istebné Pracovník ??adu pro normalizaci a mě?ení: Ing. M. ?ermákov

Chemical analysis of ferrotungsten Determination of tungsten




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