Sequestrenen.

/sɪˈkwɛstriːn/

Forms: Also sequestrene.

Etymology: < sequestr- (in sequestration n.) + -ene comb. form.

A proprietary term for preparations of ethylenediamine tetra-acetic acid and its salts used as sequestering agents; spec. one containing sequestered iron for use on iron-deficient soils.

ΘΚΠ

the world > food and drink > farming > cultivation or tillage > preparation of land or soil > fertilizing or manuring > [noun] > chemical fertilizer > specific

manure1744

plaster of Paris1787

superphosphate1843

nitrate1846

super1891

Nitragin1896

complete fertilizer1904

nitrolime1908

Nitrochalk1927

Sequestrene1949

Krilium1952

1949 Official Gaz. (U.S. Patent Office) 8 Feb. 320/2 Alrose Chemical Co., Inc., Cranston, R.I... Alro Sequestrene... Claims use since Jan. 16, 1948.

1949 Agric. Chemicals IV. iv. 73/2 ‘Sequestrene’, unlike the polyphosphates, is compatible with cationic surface-active agents.

1951 Proc. Soc. Exper. Biol. & Med. 76 619/1 Four Sequestrenes are available at present, Sequestrene AA (the free acid), SNA 2 (di-sodium salt), SNA 3 (trisodium salt) and SNA 4 (tetrasodium salt).

1958 Times 4 Oct. 9/5 The green leaves become pale and chlorotic. There may be several reasons for this condition but nearly always application of sequestrene compound..will effect a quick..cure.

1965 Listener 1 July 25/3 Sequestrenes..are now widely sold for application to plants suffering from an iron deficiency.

1977 Vole No. i. 34/3 Rugosas..may need sequestrene if there is an excess of lime.

This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020).

单词	sequestrene
释义	Sequestrenen. /sɪˈkwɛstriːn/ Forms: Also sequestrene. Etymology: < sequestr- (in sequestration n.) + -ene comb. form. A proprietary term for preparations of ethylenediamine tetra-acetic acid and its salts used as sequestering agents; spec. one containing sequestered iron for use on iron-deficient soils. ΘΚΠ the world > food and drink > farming > cultivation or tillage > preparation of land or soil > fertilizing or manuring > [noun] > chemical fertilizer > specific manure1744 plaster of Paris1787 superphosphate1843 nitrate1846 super1891 Nitragin1896 complete fertilizer1904 nitrolime1908 Nitrochalk1927 Sequestrene1949 Krilium1952 1949 Official Gaz. (U.S. Patent Office) 8 Feb. 320/2 Alrose Chemical Co., Inc., Cranston, R.I... Alro Sequestrene... Claims use since Jan. 16, 1948. 1949 Agric. Chemicals IV. iv. 73/2 ‘Sequestrene’, unlike the polyphosphates, is compatible with cationic surface-active agents. 1951 Proc. Soc. Exper. Biol. & Med. 76 619/1 Four Sequestrenes are available at present, Sequestrene AA (the free acid), SNA 2 (di-sodium salt), SNA 3 (trisodium salt) and SNA 4 (tetrasodium salt). 1958 Times 4 Oct. 9/5 The green leaves become pale and chlorotic. There may be several reasons for this condition but nearly always application of sequestrene compound..will effect a quick..cure. 1965 Listener 1 July 25/3 Sequestrenes..are now widely sold for application to plants suffering from an iron deficiency. 1977 Vole No. i. 34/3 Rugosas..may need sequestrene if there is an excess of lime. This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020). < n.1949
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