Complaint
General Description
HEPES is a kind of hydrogen ion buffer. It can control the constant pH range for a long time. It is a weak acid or base used to maintain the acidity (PH) of a solution to a chosen value after adding another acid or base. As PH managers, it's very important in many chemical applications, including Agriculture, food processing, biochemistry, medicine, and photography etc.
Application
HEPES has been used
Shanghai Provchem Industrial Co., Ltd.
How long can i get my order?
Usually, the order will send within 1-3 days after payment.
Shipping can by International Express(3-7 days), by Air(3-7 days), by Sea(7-45 days) based on quantity and destination, or by your forwarder.
How to confirm the Product Quality before placing orders?
1.You can get free samples for some products, and only need to pay the shipping cost or arrange a courier to us and take the samples.
2. You can tell us your product specifications and requests, then we will accord to your requests.
Is there a discount?
Different quantity has different discount.
What is loading port?
Usually is Shanghai, Qingdao or Tianjin.
How do we order and how do we pay the bill?
Proforma invoice will be sent first after confirmation of order, enclosed with our bank information. we can also accept Payment by T/T, Wested Union or Escrow(Alibaba).
How about the packing?
Usually we provide the packing as 25 kg/bucket or drum. Of course, if you have special requirements on them, we will accord to you.
