旷世神医,盗墓笔记小说全集

在线观看亚洲国产黄页_一级做a爰片久久毛片美女_国产成人在线免费_好爽好大国产视频_亚洲第一午夜影院_偷窥国产亚洲免费视频_手机在线91无码人妻精品_精品国产自在现线免费下载_最新高清特级a级黄片一级_一区在线观看免费高清中文

It mainly produces fine chemical products such as iminodiacetic acid,

iminodiacetic acid, two sodium salt, glycine, potassium bromide,

ammonium bromide, polyaluminum chloride and other two main products.

Product Center

Nantong Guangrong Chemical Co., Ltd. has advanced production equipment, mature and stable technology, complete product testing equipment, strict management and excellent products.

Product Name:

Sodium bromide

Cas No.：

7647-15-6

Molecular formula:

NaBr

Molecular weight:

102.89

Physical and chemical properties:

colorless cubic crystal or white particle powder; bitter taste; relative gravity: 3.203; melting point747.0°C; boiling point: 1390°C

Quality indicators:

item	pharmaceutical grade	photography grade	reagent grade 3	industrial grade
content% ≥	99.0	99.0	98.0	98.0
water insoluble reaction	qualified	qualified	qualified?	?
chloride(Cl)% ≤	0.2	0.5	0.5	1.0
sulfate(SO4)% ≤	0.005	0.005	0.005	?
bromate(bro3)% ≤	0.005	0.003	0.003	?
ferrym(Fe)% ≤	0.0002	0.0002	0.0002	0.005
iodide(I)% ≤	0.01	0.01	0.05	?
heavy metal(Pb)% ≤	0.0002	0.0003	0.0005	?
arsenic(As)% ≤	0.0004	?	?	?
loss on drying% ≤	0.5	0.5	0.5	1.0
water insoluble % ≤	qualified Passed	0.005	0.005	?
reference standard	1995-CHINA Pharmacopeia	ANSIPH4 207-1982	GB1277-77	GB1277-77

Use:

for the manufacturing of photographic film, diuretic, sedative and brominating agent

Packing：

compound bag, fiber can; 30×37(cm) inner plastic bag, 25kg

Storage and transportation:

in dry and ventilated place, in seal

Throughput:

< BACK >