JPS58171575A - Anti-tarnish agent for copper or copper alloys - Google Patents
Anti-tarnish agent for copper or copper alloysInfo
- Publication number
- JPS58171575A JPS58171575A JP5139082A JP5139082A JPS58171575A JP S58171575 A JPS58171575 A JP S58171575A JP 5139082 A JP5139082 A JP 5139082A JP 5139082 A JP5139082 A JP 5139082A JP S58171575 A JPS58171575 A JP S58171575A
- Authority
- JP
- Japan
- Prior art keywords
- copper
- discoloration
- metal
- boric acid
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 239000010949 copper Substances 0.000 title claims abstract description 11
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 title claims description 7
- 229910052802 copper Inorganic materials 0.000 title abstract description 8
- 238000002845 discoloration Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004327 boric acid Substances 0.000 claims abstract description 10
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000003112 inhibitor Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 10
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 9
- 238000005494 tarnishing Methods 0.000 claims description 3
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical compound OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 229910001369 Brass Inorganic materials 0.000 abstract description 3
- 229910000906 Bronze Inorganic materials 0.000 abstract description 3
- 239000010951 brass Substances 0.000 abstract description 3
- 239000010974 bronze Substances 0.000 abstract description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002932 luster Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 4
- 229910052751 metal Inorganic materials 0.000 abstract 4
- 230000003449 preventive effect Effects 0.000 abstract 2
- 239000012808 vapor phase Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 11
- 235000010338 boric acid Nutrition 0.000 description 8
- 229960002645 boric acid Drugs 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 5
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000003851 azoles Chemical class 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 239000012964 benzotriazole Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 159000000001 potassium salts Chemical class 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- XDVOLDOITVSJGL-UHFFFAOYSA-N 3,7-dihydroxy-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound O1B(O)OB2OB(O)OB1O2 XDVOLDOITVSJGL-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241001185311 Lyticum Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000269821 Scombridae Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical group 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- LBPABMFHQYNGEB-UHFFFAOYSA-N benzene;2h-triazole Chemical compound C=1C=NNN=1.C1=CC=CC=C1 LBPABMFHQYNGEB-UHFFFAOYSA-N 0.000 description 1
- 125000005619 boric acid group Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004649 discoloration prevention Methods 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 235000020640 mackerel Nutrition 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、鋼及び銅合金の変色防止剤に関し、更に詳し
くは、気相系における銅及び銅合金の変色防止剤に関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a discoloration inhibitor for steel and copper alloys, and more particularly to a discoloration inhibitor for copper and copper alloys in a gas phase system.
鋼の変色は、ガス中の微量酸素による酸化の結果（黒変
）起こるもので、腐食形態の２稽である。Discoloration of steel occurs as a result of oxidation (black discoloration) due to trace amounts of oxygen in the gas, and is two forms of corrosion.
従来、鋼及び−合金の変色防止剤（防錆剤）としては、
ベンゾトリアゾールやメルカットベンゾトリアゾール等
のアゾール類が広く用いられてきた。しかし、これらは
主として、水溶液と接触する系（以下、［水系Ｊという
。）で用いられたもので、ガスと接触する系（以下、「
ガス系」という。）て有効に用いられた鋼及び−合金の
変色防止剤は未だ知られていない。Conventionally, as discoloration inhibitors (rust inhibitors) for steel and -alloys,
Azoles such as benzotriazole and mercatbenzotriazole have been widely used. However, these were mainly used in systems that come into contact with aqueous solutions (hereinafter referred to as "aqueous system J"), and systems that come into contact with gases (hereinafter referred to as "aqueous system J").
Gas system. ) There is still no known anti-tarnishing agent for steel and alloys that has been effectively used.
ガス系、特に１００℃以上のガス系番ζ鋼又は鋼合金が
用いられる場合としては、鋼板の圧延工程等の銅板製造
工種及び鋼板の高温加エエ糧並び番こソーラーシステム
等がある。特に、ソーラーシステムの集熱器には鋼材が
広く用いられ１てお抄、休日等のシステムの運休時には
、水又は水とプロピレングリコールの混合物尋の熱媒体
が移動しなくなるために、集熱部が２６０〜２８０℃に
も過熱され、前記熱媒体が沸騰し水蒸気が発生する、い
わゆる空だき状態となる。その結果、銅又は鋼合金の変
色が起とｂ問題となってしる。Cases in which gas-based steel, particularly gas-based No. ζ steel or steel alloy at 100° C. or higher, are used include copper sheet manufacturing processes such as steel sheet rolling processes, high-temperature processing of steel sheets, and solar systems. In particular, steel is widely used in the heat collectors of solar systems, and when the system is not in operation, such as during holidays or holidays, the heat medium of water or a mixture of water and propylene glycol does not move. is superheated to 260 to 280°C, and the heat medium boils to generate steam, a so-called dry state. As a result, discoloration of the copper or steel alloy becomes a problem.
このような系に前記アゾール類を用いても、１００℃以
上の高温条件下では揮発したり、微量の酸素の存在によ
如酸化・分解を受けるため、充分な変色防止（防錆）効
果を維持することができない。Even if the above-mentioned azoles are used in such a system, they will volatilize under high temperature conditions of 100°C or higher, or undergo oxidation and decomposition in the presence of trace amounts of oxygen, so it is difficult to obtain sufficient discoloration prevention (rust prevention) effects. cannot be maintained.
すなわち、本発明は前述した従来の鋼及び鋼合金の変色
防止剤の問題点を解消したもので、ガス系をこおいて本
有効に作用する鋼及び銅合金の変色防止剤を提供するこ
とを目的とする。That is, the present invention solves the problems of the conventional discoloration inhibitors for steel and steel alloys mentioned above, and aims to provide an effective discoloration inhibitor for steel and copper alloys in a gas system. purpose.
本発明者は、前記した点に鑑みて、鋭意研究を重ねた結
果、前記変色防止剤として、ホウ酸及び／又は千９塩を
用いることにより前述の問題点力；解消されることを見
出し、本発明を完成するに至りた。In view of the above-mentioned points, the present inventor has conducted intensive research and found that the above-mentioned problems can be solved by using boric acid and/or 1,900 salt as the discoloration inhibitor, The present invention has now been completed.
すなわち、本発明は、ホウ酸及び／又＆よその塩を含有
することをＩｌ！ｌ徴とするガスと接触する銅及び鋼合
金用の変色防止剤である。That is, the present invention contains boric acid and/or & other salts! It is an anti-tarnishing agent for copper and steel alloys that come into contact with gases that exhibit the same characteristics.
以下、本発明の詳細な説明する゛。The present invention will be explained in detail below.
本発明において、ホウ酸とは三酸化ニホウ素力；水化し
て生ずる酸素酸の総称であり、オルトホウ酸、メタホウ
酸、四ホウ酸等を含む広義のものをいう、
これらの塩は、次式Ｏ）：
ＡＭａＯ＊ ′ＬＢ１０３ ＊ ”Ｈ２Ｏ（１）２
２ ２
（式中、Ｘ及びｙは１以上の整数を、２は０以上の整数
を、Ｍはアルカリ金属原子、アルカリ土類金属原子又は
アンモニウム基を、１は１又は２をそれぞれ表わす。但
し、ｘ−）−Ｂｙ＋Ｚは４以上の偶数であり、ｘｘａは
２以上の偶数であ秒、工は去、上、又、１、−１２、■
、３又ζよｘ３２３ ３
４で−ある。 ）
で示される化合物であり、例えば、アンモニウム基、カ
リウム塩、ナトリウム塩、ノ（リクム塩、マグネシウム
塩及びリチタム塩等が挙げられる。In the present invention, boric acid is a general term for oxygen acids produced by hydration of diboric trioxide, and refers to a wide range of acids including orthoboric acid, metaboric acid, tetraboric acid, etc. These salts are represented by the following formula: O): AMaO* 'LB103 * "H2O(1)2
2 2 (wherein, X and y represent an integer of 1 or more, 2 represents an integer of 0 or more, M represents an alkali metal atom, an alkaline earth metal atom, or an ammonium group, and 1 represents 1 or 2, respectively. However, , x-)-By+Z is an even number greater than or equal to 4, xxa is an even number greater than or equal to 2, seconds, and engineering is left, above, and 1, -12, ■
, three-fold ζ is x323 3 4. ) Examples include ammonium groups, potassium salts, sodium salts, licum salts, magnesium salts, and lithium salts.
具体的には、アンモニウム塩としては、（ＮＨ４＼Ｏ・
ＢｔＯ，、（ＮＨ４）ｔ Ｏ・２ＢａＯｍ、（ＮＨａ）
ｔｏ＋ｌ５ＢｔＯｓ、−ＬＨ，０）等が挙げられ、カリ
ウム塩としては、に、ｏ ＠ Ｂｌｏｓ １ＫｔＯ＠２
”ｔ Ｏｓ、Ｋｔ Ｏ−５Ｂｔｕｓ、Ｋ、０−３Ｂ、
０．−５Ｈ７０、Ｋ、Ｏ・４ＢｔＯ，及び２に、０・５
ＢｔＯａ・５Ｈ８０等が挙げられ、ナトリウム塩として
は、Ｎａ、０・Ｂｔｕｓ −Ｎａ、０−２Ｂ＊Ｏｓ、Ｎ
ａ１Ｏｅ ２ Ｂ、Ｏ，・１０ Ｈ！０１Ｎａ＝Ｏ＠
５ Ｂｔｕｓ、Ｎ暑、０・３Ｂ２０ｓ、Ｎ鳳！０・４８
ｍ０ｎ 及び２Ｎａ、０−Ｂ、０．・Ｈ，０等が挙げ
られ、バリウム塩としては、３ＢａＯｅＢ、０． 、
ＢａＯ＠ＢＩＯＩ ＠ ２Ｈ，０１ＢａｂｅＢ、ｏ、
＠ ４Ｈ，Ｏ，ＢａＯ＊Ｂ、Ｏｌｅ ５Ｈ，０１２８ａ
Ｏ＠Ｂ、Ｏ，、ＢａＯ＠２Ｂ、０．％ ２８ａＯ−３
８１０，，３ＢａＯ・５ＢａＯｍ、Ｂａ０ａ３Ｂ１０．
及びＢａＯ−４Ｂ、Ｏ，等が挙げられ、マクネジ９ム塩
としては、３Ｍｇ０・Ｂ、０３、Ｂ４ＥＯ’ＢｔＯｍ、
３Ｍｇ０・２ＢｖＯｓ、ＭｇＯ・３Ｂ、Ｏ，−ＨｔＯｌ
ＭｇＯ−４Ｂ ｔ Ｏｓ・３Ｈ！０及びＭｇ０・６ Ｂ
ｔＯｓ ’ １８ＨｔＯ等が挙げられ、リチクム塩とし
ては、ＬｔｔＯ−Ｂ、０．、Ｌ輸０＠２Ｂ、０．及びＬ
ｉ、０・５８ｔ’Ｏｓ 等が挙げられる。Specifically, the ammonium salt is (NH4\O.
BtO,, (NH4)t O・2BaOm, (NHa)
to+l5BtOs, -LH,0), etc., and potassium salts include, o @Blos 1KtO@2
”t Os, Kt O-5Btus, K, 0-3B,
0. -5H70, K, O・4BtO, and 2, 0・5
Examples include BtOa・5H80, and sodium salts include Na, 0・Btus-Na, 0-2B*Os, N
a1Oe 2 B, O, ・10 H! 01Na=O@
5 Btus, Natsu, 0.3B20s, Nho! 0.48
m0n and 2Na, 0-B, 0.・H,0, etc. are mentioned, and barium salts include 3BaOeB, 0. ,
BaO@BIOI @ 2H,01BabeB,o,
@4H,O,BaO*B,Ole 5H,0128a
O@B, O,, BaO@2B, 0. % 28aO-3
810,,3BaO・5BaOm, Ba0a3B10.
and BaO-4B, O, etc., and Macnezi9m salts include 3Mg0.B, 03, B4EO'BtOm,
3Mg0・2BvOs, MgO・3B, O, -HtOl
MgO-4B t Os・3H! 0 and Mg0・6 B
tOs' 18HtO, etc., and lyticum salts include LttO-B, 0. , L import 0@2B, 0. and L
i, 0.58t'Os, etc.
これらのホウ酸及びその塩は、単独で又は二種以上の混
合物として用いられる。製品加エエ穐に用いる鯖には、
予め、ホウ酸及び／又はその塩を含有する水溶液を銅又
は銅合金に塗布又は噴霧すｂか、鋼又は鋼合金を前記水
溶液に浸漬後、乾燥すればよい。前記溶液中のホウ酸及
び／又はその壇の漏電は、ホウ素として５〜６００００
ｐｐｍであることが好ましく、１０〜１１０００ｐｐで
あることが炉に好ましい。、また、ソーラーシステムに
用いる時には、熱媒体中にホワ素として５〜２０００ｐ
ｐｍ。These boric acids and salts thereof may be used alone or as a mixture of two or more. The mackerel used for product processing is
An aqueous solution containing boric acid and/or a salt thereof may be applied or sprayed on the copper or copper alloy in advance, or the steel or steel alloy may be immersed in the aqueous solution and then dried. The electric leakage of boric acid and/or its base in the solution is 5 to 60,000 as boron.
ppm is preferred, and 10-11000 ppm is preferred for the furnace. , When used in a solar system, 5 to 2000 p of phosphorus is added to the heat medium.
p.m.
好ましくは１０〜１１０００ｐｐの濃度になるようにホ
ウ酸及び／又はその塩を添加すればよい。Preferably, boric acid and/or its salt may be added to a concentration of 10 to 11,000 pp.
以上のように処理する仁とによＪ）、１００℃以上のガ
ス系においても本発明の変色防止剤は優れた効果を発揮
し、鋼及び鋼合金の金属光沢を保つことができる。When treated as described above, the discoloration inhibitor of the present invention exhibits excellent effects even in gas systems at temperatures of 100° C. or higher, and can maintain the metallic luster of steel and steel alloys.
以下、実施例により、本発明を更に詳細に説明する。Hereinafter, the present invention will be explained in more detail with reference to Examples.
実施例
銅片、黄銅片及び青銅片（各々１２０■×５０■×１■
）を試験片として用いて、本発明の変色防止剤の効果を
下記のようにして検討した。Example copper piece, brass piece, and bronze piece (each 120 x 50 x 1
) was used as a test piece to examine the effect of the discoloration inhibitor of the present invention in the following manner.
１０Ｇ−のビーカー内に試験片を吊架した後、本発明の
変色防止剤を添加した試験水１００−を満良し、２６０
℃の乾燥器内に静置した。試験水を完全に蒸発させ、更
に前記温度において、銅片の場合は２４時間、黄銅片及
び青銅片の場合は９０１１間保持した後、脱錆して腐食
減量を求めた。After suspending the test piece in a 10G beaker, 100% of the test water containing the discoloration inhibitor of the present invention was added, and 260% of the test water was added.
It was left standing in a dryer at ℃. After the test water was completely evaporated and the test water was maintained at the above temperature for 24 hours in the case of copper pieces and for 9011 hours in the case of brass pieces and bronze pieces, the pieces were derusted and the corrosion loss was determined.
尚、試験水としては、横浜市水道水にＮａＣ４及びＮａ
、８０４を添加しＣ１−及びＳＯ−の濃蜜をそれぞれｔ
ｏ ｏ ｐｐｍとし、さらにＮａＯＨでｐＨ９に調整
したものを使用し、対照としては、試験水に浸漬しない
もの（対照ｌ）、変色防止剤無添加の試験水に浸漬した
もの（対照２）及びベンゾトリアゾールｔｏｏｏｐｐｍ
含有の試験水に浸漬したものを使用した。結果を表に示
す。 表
表から明らかなように、本発明の変色防止剤は、ベンゾ
トリアゾールに比し、優れた効果を有することがわかっ
た。In addition, as test water, NaC4 and Na were added to Yokohama city tap water.
, 804 was added to make concentrated honey of C1- and SO- respectively.
o o ppm and further adjusted to pH 9 with NaOH, and as controls, those not immersed in test water (Control 1), those immersed in test water without anti-discoloration agent (Control 2), and benzene triazole tooppm
It was used after being immersed in the test water containing the following. The results are shown in the table. As is clear from the table, the anti-discoloration agent of the present invention was found to have superior effects compared to benzotriazole.
Claims (1)
するガスと接触する銅及び鋼合金用の変色防止剤。 ２ ホウ酸がメタ、ホウ酸である特許請求の範囲第１項
記載の変色防止剤。 ３ ホウ酸塩が、次式： （式中、Ｘ及びｙは１以上の整数を、翼は０以上の整数
を、Ｍはアルカリ金属原子、アルカリ土類金属原子又は
アンモニウム基を、鳳は１又は２を、それぞれ表わす。 但し、Ｘ＋ｓ７＋ｚは４以上の偶数であｐ、ｘｘａは２
以上の偶数であり１工は１．１、主、１、互、２、−１
３又Ｘ３２３ ３ ２は４で
ある。） で示される化合物である特許請求の範囲第１項記載の変
色防止剤。 ４ ガスが空気及び／又は水蒸気である特許請求の範囲
第１項ないし第３項のいずれかに記載の変色防止剤。 ５ ガスの温度が１００℃以上である特許請求の範囲＃
！１項ないし第４項のいずれかに記載の変色防止剤。Claims: l An anti-tarnishing agent for copper and steel alloys that come into contact with gases specifically containing boric acid and/or its salts. 2. The discoloration inhibitor according to claim 1, wherein the boric acid is metaboric acid. 3 The borate is expressed by the following formula: (wherein, or 2, respectively.However, X+s7+z is an even number of 4 or more, p, xxa is 2
The above is an even number, and 1 work is 1.1, main, 1, mutual, 2, -1
3-pronged X323 3 2 is 4. ) The anti-discoloration agent according to claim 1, which is a compound represented by: 4. The discoloration inhibitor according to any one of claims 1 to 3, wherein the gas is air and/or water vapor. 5 Claim # in which the temperature of the gas is 100°C or higher
! The discoloration inhibitor according to any one of items 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5139082A JPS58171575A (en) | 1982-03-31 | 1982-03-31 | Anti-tarnish agent for copper or copper alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5139082A JPS58171575A (en) | 1982-03-31 | 1982-03-31 | Anti-tarnish agent for copper or copper alloys |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58171575A true JPS58171575A (en) | 1983-10-08 |
| JPS612753B2 JPS612753B2 (en) | 1986-01-27 |
Family
ID=12885606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5139082A Granted JPS58171575A (en) | 1982-03-31 | 1982-03-31 | Anti-tarnish agent for copper or copper alloys |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58171575A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6415381A (en) * | 1987-07-08 | 1989-01-19 | Tokuriki Honten Kk | Oxidation inhibiting solution |
| JPS6415383A (en) * | 1987-07-08 | 1989-01-19 | Tokuriki Honten Kk | Oxidation inhibiting solution |
| JP2020122684A (en) * | 2019-01-29 | 2020-08-13 | ダイキン工業株式会社 | Inspection method of refrigerant pipe and refrigerant pipe |
-
1982
- 1982-03-31 JP JP5139082A patent/JPS58171575A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6415381A (en) * | 1987-07-08 | 1989-01-19 | Tokuriki Honten Kk | Oxidation inhibiting solution |
| JPS6415383A (en) * | 1987-07-08 | 1989-01-19 | Tokuriki Honten Kk | Oxidation inhibiting solution |
| JP2020122684A (en) * | 2019-01-29 | 2020-08-13 | ダイキン工業株式会社 | Inspection method of refrigerant pipe and refrigerant pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS612753B2 (en) | 1986-01-27 |
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