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Hexaammonium Heptamolybdate

Lwm Lub Npe: ammonium molybdate; Ammonium Heptamolybdate
CAS Naj Npawb: 13106-76-8
EINECS: 236-031-3
Cov tshuaj formula: H8MoN2O4
Molecular Luj: 196.0145
Ntim: 25kg / nruas lossis 50kg / nruas

Xa kev nug

Ammonium Molybdate

Khoom: Tsis muaj xim lossis lub teeb daj-ntsuab monoclinic siv lead ua.

Qhov ceev (g / mL, 25 degree): 2.38 ~ 295

Melting point (oC): 190

Solubility: Soluble hauv dej, acid thiab puag, insoluble hauv cawv.

Hexaammonium heptamolybdate Synthesis method:

Molybdenum concentrate yog oxidized thiab ci los tsim molybdenum trioxide. Tom qab ammonia leaching thiab purification, nws reacts nrog nitric acid, thiab ces sib cais, qhuav, thiab soj ntsuam kom tau cov khoom tiav.

Yam khoom	SPECIFICATION
(Mo)	54.0 feeb.
(K)	0.010 max.
(Na)	0.0010 max.
(Na)	0.0010 max.
(Cu)	0.0005 max.
(P)	0.0005 max.
(Si)	0.0010 max.

Hexaammonium heptamolybdate Lub Hom Phiaj:

Siv raws li cov xim, xim pas dej thiab cov nplaim nplaim retardant, yog lub ntsiab raw khoom rau kev npaj ntawm molybdenum khoom, tab sis kuj yog ib qho tseem ceeb ua liaj ua teb chiv.

Hexaammonium heptamolybdate Toxicological cov ntaub ntawv:

Toxic, LD50 (rat, qhov ncauj): 333mg / kg.

Cov teebmeem tseem ceeb irritant:

Ntawm daim tawv nqaij: irritates daim tawv nqaij thiab mucous daim nyias nyias;

Saum toj ob lub qhov muag: qhov cuam tshuam ntawm stimulation;

Sensitization effect: Tsis muaj qhov paub txog qhov tshwm sim ntawm qhov tshwm sim.

hexaammonium heptamolybdate Hu rau Tswj / Tiv Thaiv Tus Kheej:

Kev tso cai siab tshaj plaws: Tuam Tshoj MAC: 4mg / m3 Yav dhau los Soviet Union MAC: 4mg / m3 United States TLV-TWA: 5mg (Mo)

Kev soj ntsuam txoj kev:

Engineering tswj: nruj nreem kaw, muab cov pa cua hauv zos txaus.

Kev tiv thaiv ua pa: Cov neeg ua haujlwm hnav lub tshuab ua pa.Yog tias tsim nyog, hnav lub tshuab ua pa rau tus kheej.

Kev tiv thaiv qhov muag: Hnav cov tsom iav kev nyab xeeb tshuaj.

Kev tiv thaiv lub cev: Hnav khaub ncaws tiv thaiv tsim nyog.

Kev tiv thaiv tes: Hnav cov hnab looj tes tiv thaiv tshuaj.

Lwm yam kev tiv thaiv: txwv tsis pub haus luam yeeb, noj mov thiab haus dej hauv qhov chaw ua haujlwm.Tom qab ua haujlwm, da dej thiab hloov khaub ncaws. Ua tib zoo saib xyuas tus kheej kom huv.

ammonium para molybdate