Porous, powder, weakly acidic, H+ form, stabilization of Vitamin B12
Stabilization of Vitamin B12
Sustained Release of Nicotine
|Matrix Structure||Divinylbenzene-methacrylic acid|
|Physical Appearance||White to off white fine powder free of foreign matter and any agglomeration|
|Mass exchange capacity (mmol/g, on dried basis)||≧10|
|Water content %||<10|
|Water extractable impurities %||≦2|
|Inorganic ion content|
|Sodium content (%, on dried basis）||≦0.2|
|Heavy metals content (%)||≦0.001|
|Iron ion content (%)||≦0.01|
|methacrylic acid content(ppm)||≦300|
|Divinylbenzene content (ppm)||≦1.0|
|Naphthalene content (ppm)||≦20|
|Unknown single impurity (ppm)||≦1.0|
|Total unknown impurity (ppm)||≦3.0|
|Total bacterial count (cfu/g)||≦100|
|Total mold count (cfu/g)||≦100|
The ion exchange resin (IER) method is very excellent and efficient for acetone purification. Acetone will pass cation exchange resins first and then the anion exchange resins, more than 95% methylamine will be removed.
On November 23, 2020，Forbes announced Asia’s Best Under A Billion 2019 list. Sunresin was honored to be selected. The promulgation ceremony originally scheduled to be held in Bangkok, Thailand, was carried out online due to continuous spreading pandemic.
Sunresin, anion exchange resin suppliers, gives a plan for ion exchange resin pretreatment. Let's take a look at it.