发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Test methods for soft soldering fluxes—Part 6: Determination of halide(excluding fluoride)content
Fluoride red phosphors
本标准规定了测定土壤中氟化物的离子选择电极法。 本标准适用于离子选择电极法测定土壤中氟化物的含量。 本标准方法的检出限为2.5μg。
Soil quality.Analysis of fluoride.Ion selective electrometry
本标准规定了监测工作场所空气中氟化物浓度的方法。 本标准适用于工作场所空气中氟化物浓度的测定。
Methods for determination of fluorides in the air of workplace
本标准规定了车间空气中氟化物最高容许浓度及其监测检验方法。 本标准适用于生产和使用氟化物的各类企业。
Health standard for fluorides in the air of workplace
本标准规定了用离子选择电极法测定车间空气中氟化氢及氟化物。 本标准适用于有气体状态氟化氢、四氟化硅(HF,SiF)及含氟烟尘(萤石、磷矿粉、磷肥粉及冰晶石等)的生产场所空气中总氟化物浓度的测定。
Workplace air--Determination of hydrogen fluoride and fluorides--Ion selective electrode method
本标准规定了测定固体废物浸出液中氟化物的氟离子选择电极法。 本标准方法适用于固体废物浸出液中氟化物的测定。
Solid waste--Determination of fluoride--Ion selective electrode method
本标准规定了测定环境空气中,氟化物的滤膜采集、氟离子选择电极法。 本方法可测定的氟化物最低限量为5μg,当采样体积为10m时,最低检出浓度为0.5μg/m。
Ambient air--Determination of the mass concentration of fluoride--Method by filter sampling and fluorine ion- selective electrode analysis
本标准规定了测定环境空气中氟化物的石灰滤纸采集、氟离子选择电极法(简称LTP法)。 本方法适用于环境空气中氟化物长期平均浓度的测定。
Ambient air--Determination of the fluoride--Method by lime-paper sampling and fluorine ion-selective electrode analysis
本标准适用于黑云母花岗岩、流纹岩、花岗闪长岩、石英角闪安山岩、橄榄玄武岩、辉长岩、粗安岩、霓霞正长岩、砂岩、页岩以及其他成分相近的硅酸盐岩石中三氧化二铝的测定。 测定范围:3%~20%三氧化二铝。 本标准遵守GB/T14505的规定。
Sillicate rocks. Determination of alumina content. Fluoride replacement complexometric method
Determination of fluoride in the wet precipitation--Fluor reagent spectrophotometry
本标准规定了测定大气降水中氟化物的氟试剂光度法。 本标准适用于大气降水样品中氟化物的测定。 本标准最低检出浓度为0.05mg/L,测定范围为0.06~1.5mg/L。
Determination of fluoride in the wet precipitation.Fluor reagent spectrophotometry
本标准规定了刚玉粉中三氧化二铝含量的测定。适用于电真空器件用各种牌号的刚玉粉。
Determination of Al2O3 in alundum powder by complexometric titration
Water quality-Determination of fluoride-Ion selective electrode method
本标准适用于测定地面水、地下水和工业废水中的氟化物。
Water quality--Determination of fluoride--Ion selective electrode method
本标准适用于地面水、地下水和工业废水中氟化物(以F计)含量的测定。
Water quality--Determination of fluoride--Fluor reagent spectrophotometric method
本标准规定茜素磺酸锆目视比色法测定饮用水、地面水、地下水及废水中的氟化物。
Water quality--Determination of fluoride--Visual colorimetry with zirconium alizarinsulfonate
本标准适用于铝镁合金粉中铝量的测定。测定范围:45.00~55.00%。
Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--The fluoride replacement-complexometric method for the determination of aluminium content
Stationary source emissions — Sampling and determination of gaseous fluoride content
Soft soldering fluxes — Test methods — Part 6: Determination and detection of halide (excluding fluoride) content
Soft soldering fluxes — Test methods — Part 6: Determination and detection of halide(excluding fluoride) content
Thermal insulating products for building equipment and industrial installations — Determination of trace quantities of water-soluble chloride, fluoride, silicate, sodium ions and pH
Dentistry ─ Fluoride varnishes
Standard Test Methods for Analysis for Fluoride Content of the Atmosphere and Plant Tissues (Semiautomated Method)
本文件规定了卤水中硝酸根和氟化物的测定方法。 本文件适用于卤水中硝酸根和氟化物的测定,当进样量为100uL时,硝酸根的检出限0.040mg/L,硝酸根的测定下限为0.16mg/L,硝酸根测定上限5000mg/L。氟化物的检出限0.040mg/L,氟化物的测定下限为0.16mg/L。,氟化物测定上限200mg/L。
本文件规定了特种光学材料用氟化物(以下简称氟化物)的分类、要求、试验方法、检验规则及标志、包装、运输、贮存。 本文件适用于氟化钙、氟化钡、氟化锶、氟化铝。
The fluoride for special optical material
Standard Practice for Preparation of Plutonium Materials by Pyrohydrolysis for Determination of Fluoride, Chloride, or Both
Standard Specification for Crosslinked Poly(Vinylidene Fluoride) Heat-Shrinkable Tubing for Electrical Insulation
1.1?This practice provides a procedure for the preparation of samples of plutonium (Pu) materials, using pyrohydrolysis, for subsequent measurement of fluoride, chloride, or both, by ion chromatography (IC) or ion-selective electrode (ISE). 1.2?This practice utilizes a sample s
Standard Practice for Preparation of Plutonium Materials by Pyrohydrolysis for Determination of Fluoride, Chloride, or Both
Standard Test Method for Separation and Collection of Particulate and Water-Soluble Gaseous Fluorides in the Atmosphere (Filter and Impinger Method)
Dentistry — Fluoride varnishes
Standard Practice for Bulk Sampling of Liquid Uranium Hexafluoride
Standard Test Method for Measurement of Fluorides in Workplace Atmospheres by Ion-Selective Electrodes