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1、J IS J I S K*l,L07 85 I 4933608 0055b22 3 W . UDC 661.938-404: : 54-48: 661.938-403.3: : 54-48 a t l o o 1 . . - c o JAPANESE I NDUSTRIAL STANDARD High Purity Nitrogen JIS K I I 0 7 - 1 9 8 5 Translated and Published by Japanese Standards Association Printed in Japan 4s Copyright Japanese Standards
2、Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:34:25 MSTNo reproduction or networking permitted without license from IHS -,-,- dIS K*l1107 85 M 4733b08 0055b23 5 , - Translation without guarantee standard in Japane
3、se is to be evidence i n the event of any doubt arising, the original Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:34:25 MSTNo reproduction or networking permitted without license fro
4、m IHS -,-,- J I S K*Li107 85 4933b08 0055b24 7 W Grade 1 UDC 661.938-404: :54-48: 661.938-403.3: : 54-48 JAPANESE INDUSTRIAL STANDARD J I S Grade 2 High Purity Nitrogen K 1107-1985 Oxygen vol ppm Moisture vol ppm Nz FW: 28.01 5 and under 10 and under 50 and under 15 and under 1. Scope This Japanese
5、Industrial Standard specifies the high purity nitrogen for industrial use, hereinafter referred to as the “nitrogen“, that is filled in a high- pressure gas container under such state as liquefied nitrogen or compressed nitrogen. 2. Classification Nitrogen shall be classified into two grades of Grad
6、e 1 and Grade 2 according to quality. 3. Quality The quality of nitrogen when it is tested in accordance with the specification of 4. shall conform to the requirements specified in following Table: Table Purity vol % I 99.999 and over I 99.99 and over Reference: Converting moisture to mglr or dew po
7、int, Table 2 of JIS K 0512 is applicable. a 4. Testing Method 4.1 Generals 4.2 Calibration of Analysis Apparatus The calibration of analysis apparatus shall conform to JIS K 0055 and to JIS K 0226. The generals common to tests shall conform to JIS K 0050. 4.3 Preparation of Sample Nitrogen gas shall
8、 be sampled which is reduced to atmospheric pressure by means of following methods: ( 1) Liquefied Nitrogen Liquefied nitrogen shall be completely gasified through an evaporator or others and made at room temperature. (2) Compressed Nitrogen Compressed nitrogen shall be reduced to normal pressure an
9、d made at room temperature. a Applicable Standards: See page 3. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:34:25 MSTNo reproduction or networking permitted without license from IHS
10、-,-,- 2 K 1107-1985 4.4 Purity Purity shall be calculated according to the following formula: P=lOO- Aox - ( 10000 where p : purity (vol %) AO : quantity of oxygen obtained from 4.5 (vol ppm) 4.5 Oxygen one of the following: 4.5.1 Testing Method for Oxygen The test for oxygen shall conform to (1) Ga
11、lvanic Ceil Type Oxygen Analysis (2) Yellow Phosphorus Luminescence Oxygen Analysis (3) Zirconian Oxygen Analysis 4.5.2 Galvanic Cell Type Oxygen Analysis This method shall conform to JIS K 0225. 4.5.3 Yellow Phosphorus Luminescence Oxygen Analysis This method shall conform to 6.7.2 of JIS K 0512. 4
12、.5.4 Zirconian Oxygen Analysis This method shall conform to the zirco- nian oxygen analysis method specified in JIS B 7983. shall have the measuring range which is effective for 100 vol ppm or less, and its repeatability shall be settled within k 3 % of full scale. The analyzer, however, 4.5.5 Gas f
13、or Calibration The kind, concentration, and preparation of the gases for calibration shall be as follows: (1) Kind Component gas oxygen - Diluent gas nitrogen (2) Concentration Oxygen 5 vol ppm, 10 vol ppm, 20 vol ppm, and 50 vol ppm (3) Preparation The gas for calibration shall be prepared by mass-
14、ratio mixing of ON 1 standard oxygen specified in Table 1 of JIS K 0005 and nitrogen specified in Table 3 of JIS K 0005 that has been passed through deoxygenating catalyst. 4.6 Moisture The test of moisture shall conform to JIS K 0226. 5. Container t The container of nitrogen shall be under the cont
15、rol of relating laws. Reference: The container of nitrogen shall be as regulated by the provisions from Article 40 to 2 of Article 56 of High Pressure Gas Control Law (June 7 1951, Law No. 204, hereinafter referred to as the llLawll). Copyright Japanese Standards Association Provided by IHS under li
16、cense with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:34:25 MSTNo reproduction or networking permitted without license from IHS -,-,- J I S K*L107 85 I 4933608 0055626 O E 3. K 1107-1985 6. Marking The marking as for nitrogen, in addition to the decision by
17、 Laws, shall be marked as follows by means of certificate stamp attached on the place easily to be seen. or others) , an invoice may be used. In the case of, however , large-size container (tank lorry , container, (i) Name (2) Grade (3) Manufacturers name or its abbreviation (4) Date of manufacture
18、or its abbreviation (5) Quantity filled (In the case of compressed nitrogen, the pressure of gas at 35 OC) Reference: Marking on container is specified in 1 of Article 46 of the Law. Applicable Standards : JIS B 7983-Continuous Analyzers for Oxygen in Flue Gas JIS K 0005-Oxygen (Standard Reference G
19、as) JIS K 0050-General Rules for Chemical Analysis JIS K 0055-General Rule for Calibration Method of Gas Analyzers JIS K 0225-Analytical Method for Trace Oxygen in Diluent Gas and Zero Gas JIS K 0226-Analytical Method for Trace Water in Diluent Gas and Zero Gas JIS K 0512-Hydrogen Copyright Japanese
20、 Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:34:25 MSTNo reproduction or networking permitted without license from IHS -,-,- a a * J I S K*1107 85 0 4933b08 0055b27 2 K 1107-1985 Edition 1 Japanese Tex
21、t Established by Minister of International Trade and Industry Date of Establishment: 1962- 08- O 1 Date of Revision: 1985- 02- O 1 Date of Public Notice in Official Gazette: Investigated by : 1985-02-19 Japanese Industrial Standards Committee Divisional Council on Chemical Products This English tran
22、slation is published by: Japanese Standards Association 1-24, Akasaka 4, Minato-ku, Tokyo 107 Japan 0 JSA, 1985 Rinted i n Tokyo by Hohbunsha Co.,Ltd. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 07:34:25 MSTNo reproduction or networking permitted without license from IHS -,-,-