-凯发app官方网站

langfang tianke biotechnology
professional production base of general chemical reagent and pharmaceutical accessories
hotline: 86-15076659665
products
products
sodium hydrogen phosphate

molecular formula: na2hpo4·12h2o
molecular weight: 358.14
cas no: 
properties: colorless semi-transparent crystal or white powder. specific gravity is 1.52. melting point is 34.6℃. soluble in water and insoluble in alcohol. weathering in the dry air. it loses all water of crystallization at 100℃ and breaks up into sodium pyrophosphate at 250℃.
uses: as analytical reagent, ph reagent, boiler water softener, food additive, culture agent for penicillin and streptomycin.
standard: the maximum content of impurities is in percentage content

specifications/item

analytically pure-ar

chemically pure-cp

high purity

for water treatment

assay(na2hpo4·12h2o)/%

≥99.0

≥98.0

≥98.0

≥98.0

clarity test

qualified

qualified

water insoluble matter

≤0.005

≤0.01

≤0.05

≤0.05

chloride(cl)

≤0.001

≤0.003

≤0.014

≤0.05

sulfate(so4)

≤0.01

≤0.03

≤0.25

≤0.5

nitrogen compound(n)

≤0.002

≤0.005

potassium (k)

≤0.01

≤0.1

iron (fe)

≤0.0005

≤0.001

arsenic (as)

≤0.0005

≤0.002

≤0.0005

≤0.005

heavy metal (pb)

≤0.0005

≤0.001

≤0.002

fluoride(f)

≤0.005

≤0.10

packing: woven bag lined with plastic bag, kraft bag, or fiber drum, net weight is 25kg.

back

wechat
contact us
langfang tianke biotechnology co., ltd.
add: sanghang industrial park, dacheng county,
hebei, china
tel: 86-15076659665 manager ma
fax: 86-316-5569332 
e-mail:
凯发app官方网站 copyright (c) 2020, langfang tianke biotechnology co., ltd. all rights reserved.supported by    凯发app官方网站 copyright notice