White Lead (Ihe osise) Convention, 1921

Mgbakọ Mgbakọ White Lead (eserese), 1921 bụ Mgbakọ Òtù Na-ahụ Maka Ndị Ọrụ Mba Nile guzobere na 1921 iji kwalite mmachi nke iji ọcha ọcha na agba.

Dị ka nke 2017 ọtụtụ mba ụwa na-eduga, gụnyere United States, United Kingdom, Germany, Japan, China na India nọgidere na-abụghị nzukọ a.

 Nkwenye 
Dịka nke afọ 2013, steeti iri isii na atọ akwadola mgbakọ a:
CountryDateNotesAfghanistan12.6.1939Algeria19.10.1962Argentina26.5.1936Austria12.6.1924Azerbaijan19.5.1992Belgium19.7.1926Benin12.12.1960Bosnia and Herzegovina2.6.1993Bulgaria6.3.1925Burkina Faso21.11.1960Cambodia24.2.1969Cameroon7.6.1960Central African Republic27.10.1960Chad10.11.1960Chile15.9.1925Colombia20.6.1933Comoros23.10.1978Congo10.11.1960Côte d'Ivoire21.11.1960Croatia8.10.1991Cuba7.7.1928Czech Republic1.1.1993Djibouti3.8.1978Estonia8.9.1922Finland5.4.1929France19.2.1926Gabon14.10.1960Greece22.12.1926Guatemala5.1.1990Guinea21.1.1959Hungary8.6.1956Iraq19.4.1966Italy22.10.1952Lao People's Democratic Republic23.1.1964Latvia9.9.1924Luxembourg16.4.1928Madagascar1.11.1960Mali22.9.1960Malta9.6.1988Mauritania20.6.1961Mexico7.1.1938Montenegro3.6.2006Morocco13.6.1956Netherlands15.12.1939Nicaragua12.4.1934Niger27.2.1961Norway11.6.1929Panama19.6.1970Poland21.6.1924Romania4.12.1925Russian Federation10.10.1991ratified as the Soviet UnionSenegal4.11.1960Serbia24.11.2000ratified as the Federal Republic of YugoslaviaSlovakia1.1.1993Slovenia29.5.1992Spain20.6.1924Suriname15.6.1976Sweden27.11.1923The Republic of Macedonia17.11.1991Togo7.6.1960Tunisia12.6.1956Uruguay6.6.1933Bolivarian Republic of Venezuela28.4.1933

 Edensibia 

 Njikọ mpụga 
ụwa na-eduga, gụnyere United States, United

 Ederede .
 Nkwenye .