硫酸镍铵,六水

1.用作分析试剂及电镀工业

[ 密度 ]:
1,923 g/cm3

[ 沸点 ]:
330ºC at 760 mmHg

[ 熔点 ]:
85-89 °C(lit.)

[ 分子式 ]:
H₂₀N₂NiO₁₄S₂

[ 分子量 ]:
394.98700

[ 精确质量 ]:
393.97100

[ PSA ]:
232.66000

[ 外观性状 ]:
绿色晶体

[ 储存条件 ]:
室温

详细MSDS(安全技术说明书)

CHEMICAL IDENTIFICATION

RTECS NUMBER :

WS6061000

CAS REGISTRY NUMBER :

7785-20-8

LAST UPDATED :

199712

DATA ITEMS CITED :

5

MOLECULAR FORMULA :

O8-S2.2H4-N.6H2-O.Ni

MOLECULAR WEIGHT :

301.04

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

399 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea

REFERENCE :

ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,694,1992 *** REVIEWS *** ACGIH TLV-TWA 0.1 mg(Ni)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,257,1990 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81907 No. of Facilities: 143 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 731 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81907 No. of Facilities: 44 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 238 (estimated) No. of Female Employees: 27 (estimated)

[ 符号 ]:

GHS07, GHS08, GHS09

[ 信号词 ]:
Danger

[ 危害声明 ]:
H302 + H332-H317-H334-H341-H350i-H360D-H372-H410

[ 警示性声明 ]:
P201-P261-P273-P280-P284-P304 + P340 + P312

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ 危害码 (欧洲) ]:
Xn:Harmful;

[ 风险声明 (欧洲) ]:
R22;R40;R42/43

[ 安全声明 (欧洲) ]:
S53-S22-S36/37-S45

[ 危险品运输编码 ]:
UN9138

[ WGK德国 ]:
3

[ RTECS号 ]:
WS6061000

1.将硫酸镍溶于水，用硫酸酸化，与硫酸铵饱和溶液混溶，冷却，硫酸镍铵结晶析出，用水及乙醇洗涤，干燥即得硫酸镍铵。

2.将100～120g (NH4)2CO3, 60g Na2HPO4·12H2O和10g NH4Cl的混合物在强烈搅拌下加入到300mL热水中，待大部分盐溶解后，将溶液冷却至室温，并用CO2饱和。将50g Ni(NO3)2·6H2O与上述溶液混合，并将混合物缓慢地加热至沸。这时起初生成的沉淀差不多完全溶解，否则再滴加氨水至溶液完全透明为止。将溶液煮沸15～30min，杂质Co2+以CoNH4PO4形式沉淀下来，而Ni仍留在溶液中。静置1h后过滤，向滤液中加入100mL 50%左右的硫酸，并加热蒸发浓缩至100～150mL。浓缩过程中已有部分(NH4)2SO4·NiSO4·6H2O析出，冷却后(NH4)2SO4·NiSO4·6H2O差不多完全析出。将母液倾出，结晶在过滤器中用水洗涤几次。将结晶溶解在尽量少的沸水中，添加100mL经用稀硫酸酸化过的饱和(NH4)2SO4溶液，冷却后过滤，结晶先用冷水洗涤几次，然后用乙醇洗涤。

3.用40份蒸馏水溶解10份工业硫酸镍铵，搅拌加热至90℃。根据杂质量加入30%的磷酸氢二铵，搅匀，加热至沸，维持15～20min，使钴生成磷酸铵钴沉淀，过滤。滤液中加入适量双氧水，加热至沸，用氨水调至中性，使铁生成氢氧化铁沉淀，过滤。滤液用硫酸调ph＝３，蒸发浓缩至结晶析出，冷却结晶，甩干，用无酸酒精洗涤一次，干燥后即得试剂硫酸镍铵。
4.将经酸化和过滤的硫酸镍和硫酸铵饱和溶液混合在一起，即刻有细小复盐析出，冷却后，离心甩干，并用冷水和乙醇洗涤即可。使用过程中对Co²⁺离子有要求的话，可按上法提纯。

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