B72 林产化工原料 标准查询与下载
共找到 521 条与 林产化工原料 相关的标准，共 35 页
本标准适用于紫胶虫在冬夏两个世代各种寄主树上所产的紫胶原胶。原胶系指由寄上树上采收下来，除去树枝风干的紫胶，是供生产粒胶、片胶等的原料。
Sticklac
- ICS
- CCS
- B72
- 发布
- 1987-03-05
- 实施
- 1987-10-01
本标准适用于紫胶虫[Kerria lacca （Kerr）Targ。]的冬代种胶和夏代种胶。
Broodlac
- ICS
- CCS
- B72
- 发布
- 1987-03-05
- 实施
- 1987-10-01
本标准适用于生产GB 2618-1981《余甘（柚柑）栲胶》的商品余甘子类树皮。
Emblic leafflowers bark
- ICS
- CCS
- B72
- 发布
- 1987-03-05
- 实施
- 1987-10-01
本标准适用于国家收购，销售供生产GB 2616-1981《橡碗栲胶》用的国产商品橡碗。
Valonea
- ICS
- CCS
- B72
- 发布
- 1987-03-05
- 实施
- 1987-10-01
Rubber latices. Methods of test. Determination of KOH number of natural rubber latices
- ICS
- CCS
- B72
- 发布
- 1985-11-29
- 实施
Rubber latex, natural; Determination of KOH number
- ICS
- 6839
- CCS
- B72
- 发布
- 1984-05
- 实施
The addition of the mentioned ingredient is intended to facilitate crumbing. This part of standard aids the estimation of the amount of oil remaining in the rubber. Triglyceride of ricinoleic acid is the principal constituent of castor oil (80...85 %). Method applicable to all grades of natural rubber. Lower limit of detection approx. 0.05 % of castor oil glycerides. - Part 2 of this standard refers to the total ricinoleic acid content.
Rubber, raw, natural; Determination of castor oil content; Part 1 : Determination of castor oil glycerides content; Thin layer chromatographic method
- ICS
- 83.040.10
- CCS
- B72
- 发布
- 1984-04
- 实施
Natural rubber. Test formula and evaluation.
- ICS
- 83.040.10
- CCS
- B72
- 发布
- 1982-10-01
- 实施
- 1982-10-06
Rubber latices. Methods of test. Determination of density of natural rubber latices
- ICS
- CCS
- B72
- 发布
- 1982-05-31
- 实施
Natural rubber latex. Determination of mechanical stability .
- ICS
- 83.040.10
- CCS
- B72
- 发布
- 1981-12-01
- 实施
- 1981-12-03
Rubber, raw natural; Determination of plasticity retention index (PRI)
- ICS
- 6839
- CCS
- B72
- 发布
- 1981-12
- 实施
Specifies standard ingredients, apparatus and test methods. Applies to rubber using pure gum stock or carbon black reinforced standard formulations.
Methods of test for evaluation of vulcanization characteristics for raw natural rubbers
- ICS
- 83.040.10
- CCS
- B72
- 发布
- 1980-03-31
- 实施
- 1980-03-31
Determination of the surface tension of latex rubber.
- ICS
- 83.040.10
- CCS
- B72
- 发布
- 1978-12-01
- 实施
- 1978-12-30
Rubber. Latices. Determination of ph.
- ICS
- 83.040.10
- CCS
- B72
- 发布
- 1977-12-01
- 实施
- 1977-11-22
Natural rubber latex evaporated, preserved. Specification.
- ICS
- 83.040.10
- CCS
- B72
- 发布
- 1975-07-01
- 实施
- 1975-07-23
Natural rubber latex; Determination of density
- ICS
- 6839
- CCS
- B72
- 发布
- 1974-06
- 实施
RUBBER AND SIMILAR ELASTOMERS. DETERMINATION OF AQUEOUS EXTRACT OF NATURAL RUBBER LATEX.
- ICS
- 83.040.10
- CCS
- B72
- 发布
- 1973-08
- 实施
- 1973-07-30
