标准号 |
中文名称 |
英文名称 |
NF T20-496-1973 |
工业三磷酸钠.水合作用放热效应的测定 |
(SODIUM TRIPOLYPHOSPHATE FOR INDUSTRIAL USE. TEMPERATURE RISE TEST.) |
NF T20-497-1979 |
工业浓磷酸(包括食品工业).砷含量的测定.二乙基二硫代甲氨酸银光度法 |
(Condensed phosphates for industrial use (including foodstuffs). Determination of arsenic content. Silver diethyldithiocarbamate photometric method.) |
NF T20-498-1979 |
工业浓磷酸(包括食品工业).氯化物含量的测定.电位滴定法 |
(Condensed phosphates for industrial use (including foodstuffs). Determination of chloride content. Potentiometric method.) |
NF T20-499-1979 |
工业浓磷酸(包括食品工业).氧化氯含量的测定.3,4,一二甲苯分光光度法 |
Condensed phosphates for industrial use (including foodstuffs). Determination of oxides of nitrogen content. 3,4-xylenol spectrophotometric method. |
NF T20-500-1982 |
工业浓磷酸(包括食品工业).钙含量的测定.火焰原子吸收分光光度法 |
Condensed phosphates for industrial use (including foodstuffs). Determination of calcium content. Flame atomic absorption spectrometric method. |
NF T20-518-1973 |
工业硅酸钠硅酸钾.取样和试验技术.概论 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. SAMPLES AND METHODS OF TEST. GENERAL. |
NF T20-519-1973 |
工业硅酸钠硅酸钾.难溶于沸水的产品溶液的制备和不溶于水物质的测定 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. PREPARATION OF SOLUTION OF PRODUCTS NOT EASILY SOLUBLE IN BOILING WATER AND DETERMINATION OF MATTER INSOLUBLE IN WATER. |
NF T20-520-1973 |
工业硅酸钠硅酸钾.水溶物质比重的测定.比重计法(比重瓶) |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. DETERMINATION OF DENSITY OF SAMPLES IN SOLUTION. METHOD USING DENSITY HYDROMETER. METHOD USING PYKNOMETER. |
NF T20-521-1973 |
工业硅酸钠硅酸钾.干物质的测定.重量法 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. DETERMINATION OF DRY MATTER-GRAVIMETRIC METHOD. |
NF T20-522-1973 |
工业硅酸钠硅酸钾.用氧化钠或氧化钾来测定硅酸盐的总碱度.容量法 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. DETERMINATION OF TOTAL ALKALINITY, EXPRESSED IN NA2O OR IN K2O. VOLUMETRIC METH OD. |
NF T20-523-1973 |
工业硅酸钠硅酸钾.二氧化硅含量的测定.不溶性的重量法.滴定法 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. DETERMINATION OF SILICA. GRAVIMETRIC METHOD BY INSOLUBILIZATION. TITRIMETIC METHOD. |
NF T20-524-1973 |
工业硅酸钠硅酸钾.碳酸钠和碳酸钾中二氧化硅含量的测定.气体定量法 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. DETERMINATION OF CARBON DIOXIDE CONTENT EXPRESSED AS SODIUM OR POTASSIUM CARBONATE. GAS-VOLUMETRIC METHOD. |
NF T20-525-1978 |
工业用硅酸钠硅酸钾.动态粘度的测定 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. DETERMINATION OF DYNAMIC VISCOSITY. |
NF T20-526-1973 |
工业硅酸钠硅酸钾.二氧化硅和氧化钠或二氧化硅和氧化钾之比的计算 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. CALCULATION OF THE RATIO SIO2/NA2O OU SIO2/K2O. |
NF T20-527-1980 |
工业硅酸钠硅酸钾.硫酸 |
SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE. DETERMINATION OF SULPHATES CONTENT. BARIUM SULPHATE GRAVIMETRIC METHOD. |
NF T20-528-1980 |
工业硅酸钠硅酸钾.铁含量的测定.1,10-菲绕啉光度法 |
SODIUM AND POTASSIUM SILICATES INDUSTRIAL USE. DETERMINATION OF ION CONTENT-1,10. |
NF T20-531-1984 |
工业用六氟硅酸钠.试验方法 |
Sodium hexafluorosilicate for industrial use. Methods of test. |
NF T20-538-1984 |
工业六氟硅酸.可用氟含量的测定.蒸馏后电位滴定法 |
HEXAFLUOROSILIC ACID FOR INDUSTRIAL USE. DETERMINATION OF AVAILABLE FLUORINE CONTENT. POTENTIOMETRIC METHOD AFTER DISITLLATION. |
NF T20-540-1984 |
工业碳酸氢氨(包括食品工业).试验方法 |
Ammonium hydrogen carbonate for industrial use (including foodstuffs). |
NF T20-541-1986 |
工业用(包括食品工业)重酸式碳酸铵.铅含量测定.火焰原子吸收法 |
Ammonium bicarbonate (ammonium hydrogencarbonate) for industrial use (including foodstuffs). Determination of lead content. Flame atomic absorption method. |
NF T20-551-1989 |
工业过氧化氢.过氧化氢含量的测定.滴定法 |
Hydrogen peroxide for industrial use. Determination of hydrogen peroxide content. Titrimetric method. |
NF T20-552-1989 |
工业过氧化氢.氯化物和硫酸盐含量的测定.浊度计法 |
Hydrogen peroxide for industrial use. Determination of chlorides and sulfates. Turbidimetric method. |
NF T20-553-1989 |
工业过氧化氢.表观酸度的测定.滴定法 |
Hydrogen peroxide for industrial use. Determination of apparent acidity. Titrimetric method. |
NF T20-554-1989 |
工业过氧化氢.表观pH值(pH)的测定.电位滴定法 |
Hydrogen peroxide for industrial use. Determination of apparent pH (pha). Potentiometric method. |
NF T20-555-1989 |
工业过氧化氢.在温度为96℃经16小时后分解率的测定 |
Hydrogen peroxide for industrial use. Determination of amount of decomposition rate after 16 H at 96 degrees C. |
NF T20-561-1985 |
工业氧化硼.试验方法 |
Boric oxide for industrial use. Methods of test. |
NF T20-562-1985 |
工业硼酸.试验方法 |
Boric acid for industrial use. Methods of test. |
NF T20-563-1985 |
工业过硼酸钠.试验方法 |
Sodium perborates for industrial use. Methods of test. |
NF T20-564-1985 |
工业硼酸钠.试验方法 |
Sodium borates for industrial use. Methods of test. |
NF T20-565-1985 |
工业四硼酸钠.试验方法 |
Sodium tetraborates for industrial use. Methods of test. |
NF T20-572-1966 |
工业硫酸铵的化学分析.灰分含量的测定 |
CHEMICAL ANALYSIS OF AMMONIUM SULPHATE FOR TECHNICAL USE. ESTIMATE OF ASH CONTENT. |
NF T20-573-1966 |
工业硫酸铵的化学分析.铁含量的分光光度法测定 |
CHEMICAL ANALYSIS OF AMMONIUM SULPHATE FOR TECHNICAL USE. SPECTROPHOTOMETRIC DETERMINATION OF IRON. |
NF T20-574-1966 |
工业硫酸铵的化学分析.铜含量的分光光度法测定 |
CHEMICAL ANALYSIS OF AMMONIUM SULPHATE FOR TECHNICAL USE. SPECTROPHOTOMETRIC DETERMINATION OF COPPER. |
NF T20-575-1966 |
工业硫酸铵的化学分析.氯离子的分光光度法测定 |
CHEMICAL ANALYSIS OF AMMONIUM SULPHATE FOR TECHNICAL USE. SPECTROPHOTOMETRIC DETERMINATION OF CHLORIDE IONS. |
NF T20-579-1966 |
工业硫酸铵的化学分析.pH值的测定 |
CHEMICAL ANALYSIS OF AMMONIUM SULPHATE FOR TECHNICAL USE. MEASUREMENT OF PH. |
NF T20-581-1965 |
工业硝酸铵的化学分析.游离酸度的测定 |
CHEMICAL ANALYSIS OF AMMONIUM NITRATE FOR TECHNICAL USE. DETERMINATION OF FREE ACIDITY. |
NF T20-582-1965 |
工业硝酸铵的化学分析.亚硝酸盐离子的测定 |
CHEMICAL ANALYSIS OF AMMONIUM NITRATE FOR TECHNICAL USE. DETERMINATION OF NITRATE IONS. |
NF T20-583-1965 |
工业硝酸铵的化学分析.可溶于四氯化碳的有机物质的测定 |
CHEMICAL ANALYSIS OF AMMONIUM NITRATE FOR TECHNICAL USE. DETERMINATION OF ORGANIC SUBSTANCES SOLUBLE IN CARBON TETRACHLORIDE. |
NF T20-584-1966 |
工业硝酸铵的化学分析.有机化合物的测定 |
CHEMICAL ANALYSIS OF AMMONIUM NITRATE FOR TECHNICAL USE. DETERMINATION OF ORGANIC COMPOUNDS. |
NF T20-585-1965 |
工业硝酸铵的化学分析.氯离子的测定 |
CHEMICAL ANALYSIS OF AMMONIUM NITRATE FOR TECHNICAL USE. DETERMINATION OF CHLORIDE IONS. |
NF T20-586-1965 |
工业硝酸铵的化学分析.硫离子极限含量的试验 |
(CHEMICAL ANALYSIS OF AMMONIUM NITRATE FOR TECHNICAL USE. TEST OF MAXIMUM SULPHATE ION CONTENT.) |
NF T20-587-1982 |
工业硝酸铵.水含量的测定.卡尔.费休法 |
(AMMONIUM NITRATE FOR INDUSTRIAL USE. DETERMINATION OF WATER CONTENT. KARL FISCHER METHOD.) |
NF T20-589-1965 |
工业尿素和硝酸铵的化学分析.pH值的测定 |
(Chemical analysis of urea and ammonium nitrate for technical use. Measurement of ph.) |
NF T20-591-1965 |
工业尿素的化学分析.碱度的测定 |
(CHEMICAL ANALYSIS OF UREA FOR TECHNICAL USE. DETERMINATION OF ALKALINITY.) |
NF T20-592-1966 |
工业尿素的化学分析.灰分的测定 |
(CHEMICAL ANALYSIS OF UREA FOR TECHNICAL USE. ESTIMATE OF ASH CONTENT.) |
NF T20-593-1965 |
工业尿素的化学分析.总铁含量的测定 |
(CHEMICAL ANALYSIS OF UREA FOR TECHNICAL USE. DETERMINATION OF TOTAL IRON.) |
NF T20-594-1965 |
工业尿素的化学分析.缓冲系数的测定 |
CHEMICAL ANALYSIS OF UREA FOR TECHNICAL USE. DETERMINATION OF BUFFER VALUE. |
NF T20-601-1961 |
有机产品的化学分析.溴值的测定 |
Chemical analysis of organic products. Determination of bromine number. |
NF T20-605-1965 |
有机产品的化学分析.用哈森单位进行染色的目测鉴定 |
Chemical analysis of organic products. Visual evaluation of coloration in hazen units. |
NF T20-606-1982 |
工业挥发性有机液态产品.水槽中蒸发残留物的测定 |
Volatile organic liquids for industrial use. Determination of dry residue after evaporation on a water bath-general method. |
NF T20-608-1984 |
工业挥发性有机液体.蒸馏特性的测定 |
Volatile organic liquids for industrial use. Determination of distillation characteristics. |
NF T20-613-1967 |
有机产品的化学分析.铁含量的测定(2,2-联 啶分光光度法) |
CHEMICAL ANALYSIS OF ORGANIC PRODUCTS. DETERMINATION OF IRON. (2.2`BIPYRIDYL SPECTROPHOTOMETRIC METHOD). |
NF T20-625-1965 |
醋酸和醋酸酐的化学分析.汞含量的测定 |
CHEMICAL ANALYSIS OF ACETIC ACID AND ACETIC ANHYDRIDE. DETERMINATION OF MERCURY. |
NF T20-630-1984 |
工业用醋酸.试验方法 |
Acetic acid for industrial use. Methods of test. |
NF T20-640-1984 |
工业醋酸.试验方法 |
Acetic anhydride for industrial use. Methods of test. |
NF T20-650-1982 |
工业2-丙醛.试验方法 |
Propanol-2-ol for industrial use. Methods of test. |
NF T20-660-1982 |
工业正丁醇.试验方法 |
Butan-1-ol for industrial use. Methods of test. |
NF T20-662-1985 |
工业2-丁醇.试验方法 |
Butan-2-ol for industrial use. Methods of test. |
NF T20-664-1985 |
工业高级醇.试验方法 |
HIGHER ALCOHOLS FOR INDUSTRIAL USE. METHODS OF TEST. |
NF T20-665-1984 |
工业2-丁烯-1,4一二碘值的测定 |
But-2-ene-1,4-diol for industrial use. Determination of iodine value. |
NF T20-666-1984 |
工业丁烷-1,4一二醇不饱和度的测定 |
Butane-1,4-diol for industrial use. Determination of degree of unsaturation. |
NF T20-667-1984 |
工业聚乙二醇.羟基值的测定.邻苯二甲酸酐酯化法 |
POLYGLYCOLS FOR INDUSTRIAL USE. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD. |
NF T20-668-1985 |
工业已烯乙二醇.试验方法 |
(Hexylene glycol for industrial use. Methods of test.) |
NF T20-670-1982 |
工业丙酮.试验方法 |
(Acetone for industrial use. Methods of test.) |
NF T20-680-1983 |
工业甲酸.试验方法 |
(Formic acid for industrial use. Methods of test.) |
NF T20-686-1985 |
工业异戊乙基酮.试验方法 |
(Isoamyl ethyl ketone for industrial use. Methods of test.) |
NF T20-687-1985 |
工业异丁甲基酮.试验方法 |
(Isobutylmethyl ketone for industrial use. Methods of test.) |
NF T20-688-1985 |
工业丁酮.试验方法 |
(Methyl ethyl ketone for industrial use. Methods of test.) |
NF T20-689-1985 |
工业双丙酮醇.试验方法 |
(Diacetone alcohol for industrial use. Methods of test.) |
NF T20-691-1984 |
工业溶剂醋酸.试验方法 |
(Solvent acetates for industrial use. Methods of test.) |
NF T20-701-1965 |
有机酞酸盐的化学分析.酸度的酚酞法测定 |
(CHEMICAL ANALYSIS OF ORGANIC PHTHALATES. DETERMINATION OF ACIDITY TO PHENOLPHTHALEIN.) |
NF T20-702-1965 |
有机酞酸盐的化学分析.灰分的测定 |
(CHEMICAL ANALYSIS OF ORGANIC PHTHALATES. DETERMINATION OF ASH.) |
NF T20-703-1965 |
有机酞酸盐的化学分析.酯的测定 |
CHEMICAL ANALYSIS OF ORGANIC PHTHALATES. DETERMINATION OF ESTERS. |
NF T20-705-1965 |
有机酞酸盐的化学分析.染色稳定性的测定 |
CHEMICAL ANALYSIS OF ORGANIC PHTHALATES. DETERMINATION OF COLOUR STABILITY. |
NF T20-706-1985 |
工业磷酸三甲酚酯.试验方法 |
Tritolyl phosphate for industrial use. Methods of test. |
NF T20-708-1984 |
工业已二酸酯.试验方法 |
ADIPIC ESTERS FOR INDUSTRIAL USE. TEST METHIODS. |
NF T20-710-1984 |
工业甲醇.试验方法 |
Methanol for industrial use. Methods of tests. |
NF T20-711-1967 |
甲醇的化学分析.永久酸度的酚红法测定 |
CHEMICAL ANALYSIS OF METHANOL. DETERMINATION OF PERMANENT ACIDITY WITH PHENOL RED. |
NF T20-713-1967 |
甲醇的化学分析.用法国标准T20-613的方法测定铁含量(试验的准备) |
CHEMICAL ANALYSIS OF METHANOL. DETERMINATION OF IRON BY THE METHOD IN STANDARD NF T 20-613. (PREPARATION OF TEST SAMPLE). |
NF T20-715-1982 |
工业乙醇.试验方法 |
ETHANOL FOR INDUSTRIAL U E. METHODS OF TEST. |
NF T20-720-1984 |
工业酚.试验方法 |
Phenol for industrial use. Methods of test. |
NF T20-721-1984 |
工业甲酚.试验方法 |
Cresols for industrial use. Methods of test. |
NF T20-722-1984 |
工业甲酚和二甲苯酚.试验方法 |
Cresylic acid and xylenols for industrial use. Methods of test. |
NF T20-730-1967 |
酰酐的化学分析.标准文献的介绍和文摘表 |
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. INTRODUCTION AND SUMMARY TABLE OF STANDARDS DOCUMENTS. |
NF T20-735-1967 |
酞酐的化学分析.染色度的测定(哈森标度) |
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. MEASUREMENT OF COLORATION (HAZEN SCALE). |
NF T20-737-1967 |
酞酐的化学分析.极谱仪的马来酸酐含量的测定 |
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. POLAROGRAPHIC DETERMINATION OF MALEIC ANHYDRIDE. |
NF T20-738-1967 |
酞酐的化学分析.用高锰酸钾测定低温氧化杂质的含量 |
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. DETERMINATION OF IMPURITIES OXIDIZABLE IN THE COLD BY POTASSIUM PERMANGANATE. |
NF T20-739-1967 |
酞酐的化学分析.1-4-荼醌的测定 |
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. DETERMINATION OF 1.4-NAPTHAQUINONE. |
NF T20-740-1967 |
马来酐的化学分析.标准文献的介绍和文摘表 |
CHEMICAL ANALYSIS OF MALEIC ANHYDRIDE. INTRODUCTION AND SUMMARY TABLE OF STANDARDS DOCUMENTS. |
NF T20-741-1967 |
马来酐和酞酐的化学分析.游离酸度的电位滴定法 |
CHEMICAL ANALYSIS OF MALEIC AND PHTHALIC ANHYDRIDES. POTENTIOMETRIC DETERMINATION OF FREE ACIDITY. |
NF T20-742-1967 |
马来酐和酞酐的化学分析.灰分的测定 |
CHEMICAL ANALYSIS OF MALEIC AND PHTHALIC ANHYDRIDES. DETERMINATION OF ASH. |
NF T20-743-1967 |
马来酐和酞酐的化学分析.总酸度的酚酞滴定法测定 |
CHEMICAL ANALYSIS OF MALEIC AND PHTAHLIC ANHYDRIDES. ESTIMATE OF CONCENTRATION BY DETERMINATION OF TOTAL ACIDITY WITH PHTHENOLPHTHALEIN. |
NF T20-744-1967 |
马来酐和酞酐的化学分析.用NF T20-613的方法测定铁含量(试验的制备) |
CHEMICAL ANALYSIS OF MALEIC AND PHTHALIC ANHYDRIDES. DETERMINATION OF IRON BY THE METHOD OF STANDARD NF T 20-613 (PREPARATION OF TEST SAMPLE). |
NF T20-751-1984 |
工业聚甲醛.试验方法 |
Paraformaldehye for industrial use. Methods of test. |
NF T20-761-1984 |
工业甲醛溶液.试验方法 |
Formaldehyde solutions for industrial use. Methods of test. |
NF T20-763-1985 |
工业乙醛.试验方法 |
Acetaldehyde for industrial use. Methods of test. |
NF T20-765-1985 |
工业糠醛.试验方法 |
FURFURAL FOR INDUSTRIAL USE. METHODS OF TEST. |
NF T20-771-1971 |
卤代烃.取样和试验方法 |
Halogenated hydrocarbons. Sampling and methods of tests. |
NF T20-772-1982 |
卤代烃.工业用1,1,1,-三氯乙烷.试验方法-览表 |
1,1,1 trichloroethane for industrial use. List of methods of test. |
NF T20-773-1984 |
气态卤代烃(液化气).取样 |
Gaseous halogenated hydrocarbons (liquefied gases). Taking of a sample. |
NF T20-774-1984 |
工业六氯苯.试验方法 |
HEXACHLOROBENZENE FOR INDUSTRIAL USE. METHODS OF TEST. |
NF T20-775-1984 |
工业1,2,4-三氯苯.试验方法 |
1,2,4-TRICHLOROBENZENE FOR INDUSTRIAL USE. METHODS OF TEST. |
NF T20-776-1984 |
工业卡基氯.试验方法 |
BENZYLCHLORIDE FOR INDUSTRIAL USE. METHODS OF TEST. |
NF T20-777-1984 |
工业甲基氯和乙基氯.试验方法 |
METHYL CHLORIDE AND ETHYL CHLORIDE FOR INDUSTRIAL USE. METHODS OF TEST. |
NF T20-781-1984 |
工业氯氟化烃.试验方法 |
CHLOROFLUORINATED HYDROCARBONS FOR INDUSTRIAL USE. METHODS OF TEST. |
NF T20-801-1973 |
丙烯.化学分析.微量水分的测定 |
CHEMICAL ANALYSIS OF PROPYLENE. DETERMINATION OF WATER TRACES. |
NF T20-803-1976 |
丙烯.丙炔和丙二烯含量的测定.气相色层分离法 |
PROPYLENE. DETERMINATION OF THE PROPENE AND PROPADINE. GAS PHASE CHROMATOGRAPHIC METHOD. |
NF T20-804-1988 |
轻烯烃.微量氯含量的测定.威克博装置燃烧法 |
LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF TRACES OF CHLORINE. WICKBOLD COMBUSTION METHOD. |
NF T20-805-1980 |
工业用轻烯烃.氨含量的测定.分光光度法 |
LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF AMMONIA. SPECTROPHOTOMETRIC METHOD. |
NF T20-806-1980 |
工业用轻烯烃.气相色层分离法对杂质含量的测定(一般评述) |
LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF IMPURITIES BY GAS CHROMATOGRAPHY. GENERAL CONSIDERATIONS. |
NF T20-807-1980 |
工业用轻烯烃.乙烯和丙烯.一氧化碳和二氧化碳微量的测定.气相色层分离法 |
ETHYLENE AND PROPYLENE FOR INDUSTRIAL USE. DETERMINATION OF TRACES OF CARBON MONOXIDE AND CARBON DIOXIDE. GAS CHROMATOGRAPHIC METHOD. |
NF T20-808-1982 |
工业用轻烯烃.一丁二烯.碳氢杂质含量的测定.气相色层分离法 |
BUTADIENE FOR INDUSTRIAL USE. DETERMINATION OF HYDROCARBON IMPURITIES. GAS CHROMATOGRAPHIC METHOD. |
NF T20-809-1982 |
工业用轻烯烃.乙烯.碳氢杂质含量的测定.气相色层分离法 |
ETHYLENE FOR INDUSTRIAL USE. DETERMINATION OF HYDROCARBON IMPURITIES. GAS CHROMATOGRAPHIC METHOD. |
NF T20-810-1982 |
工业用轻烯烃.丙烯.碳氢杂质含量的测定.气相色层分离法 |
PROPYLENE FOR INDUSTRIAL USE. DETERMINATION OF HYDROCARBON IMPURITIES. GAS CHROMATOGRAPHIC METHOD. |
NF T20-811-1983 |
工业用丁二烯.特丁基邻苯二酚(TBC)(二甲基苯二醇)含量的测定.分光光度法 |
BUTADIENE FOR INDUSTRIAL USE. DETERMINATION OF TERT-BUTYL-CATECHOL (TBC). 4-(1,1-DIMETHYLETHYL)-1,2 BENZENEDIOL. SPECTROMETRIC METHOD. |
NF T20-812-1983 |
工业用丁二烯.液态丁二烯上气相中氧和氩含量的测定.气相色层分离法 |
BUTADIENE FOR INDUSTRIAL USE. DETERMINATION OF OXYGEN AND ARGON IN THE GASEOUS PHASE ABOVE LIQUID BUTADIENE. GAS CHROMATOGRAPHIC METHOD. |
NF T20-813-1987 |
工业用轻烯烃.气相中氧分子的测定.带细胞的电化学方法 |
LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF MOLECULAR OXYGEN IN GASEOUS PHASE. ELECTROCHEMICAL METHOD WITH A MEMBRANE-COVERED CELL. |
NF T20-814-1987 |
工业用丁二烯.活性叔丁基儿苯酚(TBC)的测定.4-(1,1-二甲基)-1,2-苯二醇高性能液体色谱法 |
BUADIENE FOR INDUSTRIAL USE. DETERMINATION OF ACTIVE TERT-BUTYL-CATECHOL (TBC). (4-(1,1-DIMETHYLETHYL)-1,2-BENZENEDIOL). HIGH PERFORMANCE LIQUIDE CHROMATOGRAPHIC METHOD. |
NF T20-815-1987 |
工业用丙烯.低聚物测定,气相色谱法 |
PROPYLENE FOR INDUSTRIAL USE. DETERMINATION OF OLIGOMERS. GAS CHROMATOGRAPHIC METHOD. |
NF T20-816-1987 |
工业用乙烯和丙烯.丙酮,乙腈,丙二醇和四甲醇的测定.气相色谱法 |
ETHYLENE AND PROPYLENE FOR INDUSTRIAL USE. DETERMINATION OF ACETONE,ACETONITRILE,PROPAN-2-OL AND METHANOL. GAS CHROMATOGRAPHIC METHOD. |