离岸价格
获取最新报价160 ~ 230 / Kilogram ( Negotiable )
|Minimum Order
位置:
-
最小订单价格:
最小订单:
25 Kilogram
包装细节:
25kgs cardboard drums
交货时间:
to be made about 7 days after order confirmation
供应能力:
2000 Kilogram per Month
付款方式:
T/T
联系人 Mr. Defang
Room309.No.3Xianyou Road,Shinan District, Qingdao, Shandong
Produce Name： Bromocresol green
Formula:C*1H*4Br4O5s Molecular Weight：**8.*2
Biological Indicator
Standard : HG/T ********8
Packing: *5kgs cardboard drums
Specifications：
PH Changes the colour range :
3.8（yellow-green）～5.4（blue）
Greatest absorption wavelength:
λ1（PH3.8）/nm **0～**5
Greatest absorption wavelength:
λ2（PH5.4）/nm **5～**8
Mass absorption coefficient :
α1（λ1，PH3.8，dry），L/（cm/ g） *4～*8
Mass absorption coefficient:
α2（λ2，PH4.5，dry），L/（cm/ g） *3～*8
Solubility in ethanol :
to pass test
Loss on dry,%:≤3.0
Residue on ignition,%: ≤0.*5
Ethanol Dissolution Experiments : qualified
