G15 有机化工原料综合 标准查询与下载

ISO 757-4:1983 工业用丙酮.试验方法.第4部分:高锰酸钾(变色)时间的测定

Acetone for industrial use; Methods of test; Part 4 : Determination of permanganate time

ISO 918:1983 工业用挥发性有机液体 蒸馏特性的测定

本标准规定了沸点在30℃～300℃之间、在通常大气压下蒸馏过程中保持稳定的挥发性有机液体 (石油产品除外)蒸馏特性的测定方法及试验装置。 本标准适用于在30℃～300℃之间、在通常大气压下蒸馏过程中保持稳定的挥发性有机液体(石油 产品除外)蒸馏特性的测定。

Volatile organic liquids for industrial use; Determination of distillation characteristics

ISO 1386:1983 工业用乙酸酯类溶剂 试验方法

Gives general instructions and specifies methods of analysis for these chemical products. The methods are the following: determination of density at 20 ?C; determination of dry residue after evaporation on a water bath; measurement of colour; determination of distillation characteristics; determination of water content; determination of acidity; and determination of ester content (titrimetric method). - Cancels and replaces ISO Recommendation R 1386-1970 and constitutes a technical revision thereof.

Solvent acetates for industrial use; Methods of test

ISO 1897-12:1983 工业用苯酚、邻甲酚、间甲酚、对甲酚、甲苯基酸和二甲苯酚 试验方法 第12部分:蒸馏特性的测定(只用于甲苯基酸和二甲苯酚)

The method is applicable to products having high cresol contents. The principle consists in distillation of a test portion inder carefully defined conditions. Either determination of the temperatures corresponding to the condensate volumes defined or determination of the volume condensate when the thermometer indicates each of the distillaton temperatures (i.e. plotting temperature as a function of volume or plotting volume as a function of temperature).

Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use; Methods of test; Part 12 : Determination of distillation characteristics (Cresylic acid and xylenols only)

ISO 1897-11:1983 工业用苯酚、邻甲酚、间甲酚、对甲酚、甲苯基酸和二甲苯酚 试验方法 第11部分:结晶点的测定(甲苯基酸和二甲苯酚除外)

The test may be carried out on products as received or on a dried sample. The method specified in ISO 2208 shall be applied for drying. The principle of the method consists in cooling the liquid or liquefied test portion and observation of the temperature during crystallization under defined conditions. A simplified crystallization point apparatus is given in the figure. It takes into account the properties of these products.

Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use; Methods of test; Part 11 : Determination of crystallizing point (Excluding cresylic acid and xylenols)

ISO 1897-13:1983 工业用苯酚、邻甲酚、间甲酚、对甲酚、甲苯基酸和二甲苯酚 试验方法 第13部分:蒸馏后残渣的测定(只用于甲苯基酸和二甲苯酚)

Applicable to products having a high o-cresol content and a high m-cresol content. The principle consists in distillation of a tast portion under carefully defined conditions and determination of the mass of residue obtained. The distillation is carried out according to ISO 918. When all the water has distilled over, continue the distillation without intermediate measurements, until either the dry point or the final boiling point is reached.

Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use; Methods of test; Part 13 : Determination of residue on distillation (Cresylic acid and xylenols only)

ISO 753-3:1983 工业用乙酸 试验方法 第3部分:甲酸含量的测定 碘量法

Acetic acid for industrial use; Methods of test; Part 3 : Determination of formic acid content; Iodometric method

ISO 5920:1983 氯氟化烃 水含量的测定 重量法

Chlorofluorinated hydrocarbons; Determination of water content; Gravimetric method

NF T20-606:1982 工业用挥发性有机液体.水槽中蒸发后干性残留物的测定.一般方法

Volatile organic liquids for industrial use. Determination of dry residue after evaporation on a water bath-general method.

ISO 7059:1982 工业用己内酰胺 波长为290nm时吸收性的测定

The spectrometric measurement of the absorbance of a 50 % caprolactam water solution is carried out at a wavelength of 290 nm. The absorbance, expressed in relation to an optical path length of 1 m, is given by a specified formula in which A is the correction for the difference in absorbances of the cells; A is the absorbance of the test solution, and 1 is the optical path length, in centimetres, of the cell.

Caprolactam for industrial use; Determination of absorbance at a wavelength of 290 nm

ISO 1387:1982 工业用甲醇 试验方法

Gives general instructions and specifies methods od analysis. The methods to be used are determination of density at 20 ?C, determination ofdry residue after evaporation on a water bath, measurement of colour, determination of distillation yield, determination of water content, detection of the alkalinity or acidity to phenolphthalein, spectrometric detection of content of carbonyl compounds in small amounts, titrimetric estimation of content of carbonyl compounds in moderate amounts, test for miscibility with water, determination of permanganate time and iodometric determination of methyl ketones. It results from the combination into one single document of draft International Standard ISO/DIS 1387 parts 1 to 7. Replaces ISO Recommendation R 1387-1970.

Methanol for industrial use; Methods of test

ISO 754:1982 工业用乙酸酐 试验方法

Acetic anhydride for industrial use; Methods of test

ISO 1897-10:1982 工业用苯酚、邻甲酚、间甲酚、对甲酚、甲苯基酸和二甲苯酚 试验方法 第10部分:水浴蒸发干残余物的测定(甲苯基酸和二甲苯酚除外)

This method is applicable to products having a dry residue after evaporation, greater than or equal to 0, 005 % (m/m). The principleconsists in evaporation of a test portion in a platinum dish on a boiling water bath and drying of the residue in an oven at (105 +- 2) ?C for 1 h. Replaces ISO Recommendation R 1900-1971.

Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use; Methods of test; Part 10 : Determination of dry residue after evaporation on a water bath (Excluding cresylic acid and xylenols)

ISO 7060:1982 工业用己内酰胺 结晶温度的测定

Caprolactam for industrial use; Determination of crystallizing point

ISO 5918:1982 工业用氯氟化烃 惰性气体含量的测定 气相色谱法 一般原则

Chlorofluorohydrocarbons for industrial use; Determination of inert gas content; Gas chromatographic method; General principles

ISO 5921:1982 工业用氯氟化烃 气相色谱分析 一般原则

Chlorofluorohydrocarbons for industrial use; Analysis by gas chromatography; General principles

ISO 1395:1977/Amd 1:1982 传动用短节距精密套筒链和链轮 修改1

Short pitch transmission precision bush chains and chain wheels; amendment 1

ISO 5916:1982 工业用氯甲烷 杂质的测定 气相色谱法

Methyl chloride for industrial use; Determination of impurities; Gas chromatographic methods

ISO 6684:1982 工业用丁二烯 叔丁基儿茶酚(TBC)(4-(1,1-二甲基-乙基)-1,2 苯二酚)的测定 光谱法

Butadiene for industrial use; determination of tert-butyl-catechol (TBC) (4-(1,1-dimethyl-ethyl)-1,2 benzenediol); spectrometric method

ISO 1843-7:1982 工业用高级醇 试验方法 第7部分:蒸馏回收率的测定

Relates to C6 to C13 alcohols. The principle consists in distillation of a test portion, under carefull defined conditions. For measurement of distillation intervals not greater than 5 ?C, the thermometer hsall be graduated at intervals of 0, 2 ?C; for intervals greater than 5 ?C, the thermometer shall be graduated at intervals of 0, 5 ?C. Adjusting the rate of heating so that the first drop of distillate falls from the end of the condenser after 15 to 20 min. ISO 1843/7 cancels and replaces ISO Recommendation R 1845-1970, of which it constitutes a technical revision.

Higher alcohols for industrial use; Methods of test; Part 7 : Determination of distillation yield