USD $1.00-10.00 / Kilogram
USD $20.40-25.10 / Gram
USD $20.40-25.10 / Gram
USD $20.40-25.10 / Gram
USD $20.40-25.10 / Gram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $20.40-25.10 / Gram
USD $2.00-10.00 / Kilogram
benzene
hplc specification
purity,%.........................................................................≥99.7
acidity (h+)mmol/100g..................................................≤0.01
evaporation residue,%.................................................≤0.001
moisture content (h2o),%............................................≤0.03
optics experiment (transmissibility %)
wave length (nm) absorbance
280 ≤1.00
290 ≤0.10
330 ≤0.01
gr specification
purity,%.........................................................................≥99.8
acidity (h+)mmol/100g..................................................≤0.00005
alkalinity (oh-)mmol/100g.............................................≤0.00005
evaporation residue,%.................................................≤0.0005
moisture content (h2o),%............................................≤0.02
chroma, black unit .......................................................≤10
crystallization point, centi-degree................................≥5.2
easy carbonized materials ...........................................passes test
ar specification
purity,%.........................................................................≥99.5
acidity (h+)mmol/100g..................................................≤0.001
alkalinity (oh-)mmol/100g.............................................≤0.0001
evaporation residue,%.................................................≤0.0005
moisture content (h2o),%............................................≤0.03
chroma, black unit .......................................................≤10
crystallization point, centi-degree................................≥5.2
easy carbonized materials ...........................................passes test