D59 其他非金属矿 标准查询与下载

DZ/T 0064.3-1993 地下水质检验方法 温度的测定

本标准规定了用温度计或热敏电阻测温仪测定地下水温的方法。 本标准适用于地下水温度的测定。

Determination of temperature in underground water quality inspection method

DZ/T 0064.4-1993 地下水质检验方法 色度的测定

本标准规定了铂钴比色检验地下水色度的方法。 本标准适用于地下水中色度的测定。最低检测色度为5度，测定范围5~50度。

Determination of Chromaticity in Groundwater Quality Inspection Method

DZ/T 0064.5-1993 地下水质检验方法 玻璃电极法测定pH值

本标准规定了玻璃电极法测定地下水pH值的方法。 本标准适用于测定地下水的pH值。其测定范围和精密度，视所选用的pH电极和pH计而定。 水样的颜色、浊度、胶体物质、氧化还原电位或矿化度高低，一般不影响测定。温度影响，可通过仪器上的温度补偿装置校正。在测定pH>10及钠离子含量高的试样时，会产生误差。环境的重要指标之一。

Groundwater Quality Inspection Method - Determination of pH Value by Glass Electrode Method

DZ/T 0064.6-1993 地下水质检验方法 电导率的测定

本标准规定了电导率的测定方法。 本标准适用于地下水电导率的测定。

Determination of electrical conductivity by groundwater quality inspection method

DZ/T 0064.9-1993 地下水质检验方法 溶解性固体总量的测定

本标准规定了105℃烘干测定溶解性固体总量的方法。 本标准适用于不含永久硬度的地下水中溶解性固体总量的测定。

Determination of Total Dissolved Solids in Groundwater Quality Examination Methods

YS/T 299-1994 人造金红石

artificial rutile

BS 5050-8:1980 冰晶石的测试方法 钙含量的测定

This International Standard specifies a flame atomic absorption method for the determination of the calcium content of natural and artificial cryolite.

Methods of test for cryolite. Determination of calcium content

ISO 4277:1977 天然和人造冰晶石 计算游离氟化物含量的常规试验法

Cryolite, natural and artificial; Conventional test for evaluation of free fluorides content

KS E 3805-1977 高岭石

이 규격은 요업, 제지업 등에 주로 사용하는 함수 규산 반토질 고령토에 대하여 규정한다.

Kaolinite

ISO 1693:1976 天然和人造冰晶石 氟含量的测定 威拉德-温特尔的改进法

Specifies the determination for natural and synthetic materials having a molar ratio sodium fluoride/aluminium trifluoride between 3 and 1,7 approximately. The principle consists in fusion of a test portion with sodium carbonate, separation of fluorine by distillation with sulphuric acid or perchloric acid. Titration with thorium nitrate solution in presence of sodium alizarinsulphonate/methylene blue as indicator. Alternatively, the thorium nitrate titration may be made using only sodium alizarinsulphonate, the end-point being; spectrophotometrically determined at 525 nm.

Cryolite, natural and artificial; Determination of fluorine content; Modified Willard-Winter method

ISO 1620:1976 天然和人造冰晶石 二氧化硅含量的测定 还原硅钼酸盐分光光度法

Specifies methods of test for natural and synthetic materials having a molar ratio sodium fluoride/aluminium trifluoride between 3 and 1,7 approximately. The method is applicable to products the phosphorus pentoxide content of which does not exceed 0,02 % (m/m). The procedure consists in alkaline fusion of a test portion by means of a mixture of sodium carbonate and boric acid. Dissolution of the fused mass in excess nitric acid so that the pH value is between 0,7 and 0,9. Formation of the (Yellow) oxidized molybdosilicate under clearly defined conditions of acidity, temperature, time and concentration of reagents. Selective reduction in the presence of tartaric acid and measurement at a wvelength of about 815 nm.

Cryolite, natural and artificial; Determination of silica content; Reduced molybdosilicate spectrophotometric method

ISO 3392:1976 工业用天然及人造冰晶石和氟化铝 含水量的测定 电测法

Cryolite, natural and artificial, and aluminium fluoride for industrial use; Determination of water content; Electrometric method

ISO 3391:1976 天然和人造冰晶石 钙含量的测定 火焰原子吸收法

Describes the preparation of the calibration graph and the dissolution of a test portion in concentrated sulphuric acid and heating on a hot-plate until the hydrofluoric acid has evaporated. Treatment of the residue with concentrated hydrochloric acid. Aspiration of the solution into an acetylene/dinitrogen monoxide flame and spectrophotometric measurement of the absorption of the 422.7-nm line emitted by a calcium hollow cathode lamp.

Cryolite, natural and artificial; Determination of calcium content; Flame atomic absorption method

ISO 1694:1976 天然和人造冰晶石 铁含量的测定 1,10-菲罗啉光度法

Applies for the determination of natural and synthetic materials having a molar ratio sodium fluoride/aluminium trifluoride between 3 and 1,7 approximately. The method is applicable to products having an iron content equal to or greater than 0,020 % (m/m). The principle consists in dissolution of a test portion by either alkaline or acid fusion. Reduction of iron(III) with hydroxylammonium chloride, formation of the complex iron(II)-1, 10-phenathroline in a buffered medium at pH value between 3,5 and 4,2. Photometric measurement of the coloured complex at a wavelength of about 510 nm. Applies ISO Recommendation R 1694-1970.

Cryolite, natural and artificial; Determination of iron content; 1,10- Phenanthroline photometric method

ISO 3393:1976 工业用天然及人造冰晶石和氟化铝 含水量的测定 重量法

Specifies a gravimetric method for the determination of moisture content of cryolite. Describes the principle, the apparatus, the procedure, gives the expression of results and the test report. An annex lists the ISO Publications of concern.

Cryolite, natural and artificial, and aluminium fluoride for industrial use; Determination of moisture content; Gravimetric method

ISO 2366:1974 天然和人造冰晶石 钠含量的测定 火焰发射和原子吸收分光光度法

The methods are applicable as alternatives to products for which the molar ratio NaF/AlF3 is equal to about 3. The principle of the flame emission method consists in atomization of the test solution in a flame of oxygen/hydrogen and determination by measurement of the intensity of the radiation at 589 nm. The principle of the flame atomic absorption method is based on atomization in an air/acetylene flame and measuremnt of the absorption of the 589 nm line emitted by a sodium hollow-cathode lamp. The preparation of the test solution is carried out by dissolution of a test portion in hydrochloric acid and water after attack by concentreted sulphuric acid.

Cryolite, natural and artificial; Determination of sodium content; Flame emission and atomic absorption spectrophotometric methods

BS 5050:1974 冰晶石的试验方法

Preparation and storage of test samples, determination of silica , fluorine, iron and sodium contents and of aluminium content by gravimetric and atomic absorption methods.

Methods of test for cryolite

KS E 3802-1974 非晶石墨

이 규격은 토상흑연의 정광에 대하여 규정한다.

Amorphous graphite

ISO 2830:1973 天然和人造冰晶石 铝含量的测定 原子吸收法

Applicable to products having a normal composition for which the molar ratio NaF/AlF3 is equal to about 3. Dissolution of a test portion in concentrated suphuric acid and elimination of hydrogen fluoride. Treatment with hydrochloric acid and water. Atomization of the solution into an acetylene measurement of the absorption of the 309.3 nm line emitted by an aluminium hollow cathode lamp. Has also been approved by the IUPAC.

Cryolite, natural and artificial; Determination of aluminium content; Atomic absorption method

ISO 2367:1972 天然和人造冰晶石 铝含量的测定 8-羟基喹啉重量法

The method can be applied provided the Fe203 content does not exceed 0,15 . It can also be applied to products with molar ratio of NaF to AlF3 between approximately 3 and 1,7. The principle consists in dissolution of a test portion by acid fusion using potassium pyrosulphate and recovery by hydrochloric acid. Separation of the mixture by precipitation of aluminium, with ammonium benzoate , in an acetic reducing medium. Dissolution of the precipitate and reprecipitation as aluminium tri(quinolin-8-oxide) in an acetic buffer medium. Filtration, washing, drying of the precipitate at a temperature of 130 鳦 and weighing.

Cryolite (natural and artificial); Determination of aluminium content; 8- Hydroxyquinoline gravimetric method