CAS Number: 9002-61-3Standard: In-House/IP/EP/BP standardHuman Chorionic Gonadotrophin (HCG) is a hormone produced during pregnancy that is made by the developing embryo after conception.
Karl Fischer reagent is the core product of SFR®. SFR® has three independent Karl Fischer reagent production lines, with an annual output of 300000 liters of pyridine free Karl Fischer reagent, 150000 liters of pyridine containing Karl Fischer reagent and
The main varieties include alkyl peroxides and hydroperoxides perspindle acid, ketone peroxide, perphthalein and other organic peroxides used as polymerization initiators.
4130 structural steel has high strength and toughness, high hardenability, critical hardenable diameter in oil is 15 ~ 70mm; the thermal strength of steel is also good, it has sufficient high temperature strength below 500 ℃, but at 550 ℃ Its strength dec
Both 0.9mm and 1.5mm coal columnar activated carbons belong to ultra-fine diameter columnar activated carbons. They have high iodine value and small ash content. They are widely used in anti-virus and protection, precision airfilters, and water purificati